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  <channel>
    <title>Science Teaching Tips</title>
    <link>http://scienceteachingtips.podOmatic.com</link>
    <description>Science Snacks for the Classroom</description>
    <language>en-us</language>
    <generator>podOmatic RSS Generator</generator>
    <pubDate>Fri, 10 Oct 2008 23:09:40 GMT</pubDate>
    <itunes:subtitle>Science Snacks for the Classroom</itunes:subtitle>
    <itunes:explicit>clean</itunes:explicit>
    <itunes:block>no</itunes:block>
    <itunes:image href="http://scienceteachingtips.podOmatic.com/mymedia/thumb/1035807/0x0_612846.jpg"/>
    <itunes:author>Stephanie Chasteen</itunes:author>
    <itunes:summary>Science Teaching Tips is produced by the Exploratorium's Teacher Institute at http://www.exploratorium.edu/ti.  
EMAIL US at teachingtips@exploratorium.edu.

This podcast is a bite-sized podcast for science teachers, by science teachers. In each 5-minute episode, we give you  hands-on activities, science facts, science history, pedagogy tips for new teachers, or other ideas for your science classroom. 

Please comment on our podcasts we love hearing your opinions.</itunes:summary>
    <itunes:category text="Education">
      <itunes:category text="K-12"/>
    </itunes:category>
    <item>
      <title>55.  Then YOU measure it!</title>
      <description>Put kids&#8217; skepticism to work! Children&#8217;s book author David Schwartz explains how a class disagreed with the numbers in one of his math books, and set out to prove him wrong! 
David Schwartz&#8217;s Web site: www.davidschwartz.com
</description>
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      <pubDate>Fri, 10 Oct 2008 23:06:41 GMT</pubDate>
      <dcterms:modified>2008-10-10</dcterms:modified>
      <dcterms:created>2008-10-10</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>k-12,math,measurement</itunes:keywords>
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      <itunes:duration>609</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>Put kids&#8217; skepticism to work! Children&#8217;s book author David Schwartz explains how a class disagreed with the numbers in one of his math books, and set out to prove him wrong! 
David Schwartz&#8217;s Web site: www.davidschwartz.com
</itunes:summary>
    </item>
    <item>
      <title>54.  Whack a Stack</title>
      <description>Exploratorium staff educator Don Rathjen makes some noise with this activity about Newton&#8217;s laws. 
Whack-a-Stack activity: http://www.raft.net/ideas/Whack%20a%20Stack.pdf
The Old Tablecloth Trick (related):
http://www.raft.net/ideas/Old%20Tablecloth%20Trick.pdf
More of Don Rathjen&#8217;s activities: www.exo.net/~donr
</description>
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      <pubDate>Fri, 03 Oct 2008 16:34:01 GMT</pubDate>
      <dcterms:modified>2008-10-03</dcterms:modified>
      <dcterms:created>2008-10-03</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>force,k-12,laws,mechanics,newton's,physics,science,teaching</itunes:keywords>
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      <itunes:duration>279</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>Exploratorium staff educator Don Rathjen makes some noise with this activity about Newton&#8217;s laws. 
Whack-a-Stack activity: http://www.raft.net/ideas/Whack%20a%20Stack.pdf
The Old Tablecloth Trick (related):
http://www.raft.net/ideas/Old%20Tablecloth%20Trick.pdf
More of Don Rathjen&#8217;s activities: www.exo.net/~donr
</itunes:summary>
    </item>
    <item>
      <title>53.  Running hot and cold</title>
      <description>Exploratorium staff physicist Thomas Humphrey explains what temperature and color have to do with one another.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-09-26T11_02_45-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-09-26T11_02_45-07_00</comments>
      <pubDate>Fri, 26 Sep 2008 18:00:37 GMT</pubDate>
      <dcterms:modified>2008-09-26</dcterms:modified>
      <dcterms:created>2008-09-26</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>color,k-12,physics,science,teaching,temperature</itunes:keywords>
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      <itunes:duration>319</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Exploratorium staff physicist Thomas Humphrey explains what temperature and color have to do with one another.</itunes:summary>
    </item>
    <item>
      <title>52.  Huh?</title>
      <description>When this chemistry teacher entered her portable classroom as a new teacher, she was fresh from West Africa&#8212;and there was a lot she didn&#8217;t know.</description>
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      <pubDate>Mon, 22 Sep 2008 15:11:38 GMT</pubDate>
      <dcterms:modified>2008-09-22</dcterms:modified>
      <dcterms:created>2008-09-22</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>classroom,k-12,new,teacher,teaching</itunes:keywords>
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      <itunes:duration>266</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>When this chemistry teacher entered her portable classroom as a new teacher, she was fresh from West Africa&#8212;and there was a lot she didn&#8217;t know.</itunes:summary>
    </item>
    <item>
      <title>51.  Nobody's Ever Taught You Anything</title>
      <description>Nobody can really teach you anything&#8212;rather, you have to learn it for yourself. So how can you help your students understand science? TI staff educator Modesto Tamez shares some thoughts about helping students make ideas their own.</description>
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      <pubDate>Mon, 15 Sep 2008 19:44:15 GMT</pubDate>
      <dcterms:modified>2008-09-15</dcterms:modified>
      <dcterms:created>2008-09-15</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>k-12,pedagogy,science,teaching</itunes:keywords>
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      <itunes:duration>350</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>Nobody can really teach you anything&#8212;rather, you have to learn it for yourself. So how can you help your students understand science? TI staff educator Modesto Tamez shares some thoughts about helping students make ideas their own.</itunes:summary>
    </item>
    <item>
      <title>50.  Whirled music</title>
      <description>Geeks have strange hobbies. Staff physicist Paul Doherty plays the corrugated plastic tube, also known as a &#8220;whirly,&#8221; and explains the surprising science behind the sound. 
The science of whirlies: www.exo.net/~pauld/summer_institute/summer_day13music/Whirly.html and http://isaac.exploratorium.edu/~pauld/activities/AAAS/aaas2001.html 
</description>
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      <pubDate>Fri, 05 Sep 2008 14:51:56 GMT</pubDate>
      <dcterms:modified>2008-09-05</dcterms:modified>
      <dcterms:created>2008-09-05</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>classroom,k-12,music,physics,science,sound,whirly</itunes:keywords>
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      <itunes:duration>519</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>Geeks have strange hobbies. Staff physicist Paul Doherty plays the corrugated plastic tube, also known as a &#8220;whirly,&#8221; and explains the surprising science behind the sound. 
The science of whirlies: www.exo.net/~pauld/summer_institute/summer_day13music/Whirly.html and http://isaac.exploratorium.edu/~pauld/activities/AAAS/aaas2001.html 
</itunes:summary>
    </item>
    <item>
      <title>49.  Hey, batter batter!</title>
      <description>Exploratorium graphic artist David Barker describes the physics of baseball bats, and makes some sweet music in the process! Exploratorium&#8217;s science of baseball: www.exploratorium.edu/baseball
</description>
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      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-08-29T10_29_27-07_00</comments>
      <pubDate>Fri, 29 Aug 2008 17:27:20 GMT</pubDate>
      <dcterms:modified>2008-08-29</dcterms:modified>
      <dcterms:created>2008-08-29</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>baseball,classroom,k-12,music,physics,science,teaching</itunes:keywords>
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      <itunes:duration>521</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>Exploratorium graphic artist David Barker describes the physics of baseball bats, and makes some sweet music in the process! Exploratorium&#8217;s science of baseball: www.exploratorium.edu/baseball
</itunes:summary>
    </item>
    <item>
      <title>48.  Ooh you make my motor run</title>
      <description>Staff educator Modesto Tamez tells how he gets students exploring electromagnets, a great preparation for making an electric motor. Stripped Down Motor activity: www.exploratorium.edu/snacks/stripped_down_motor.html</description>
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      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-08-22T09_20_38-07_00</comments>
      <pubDate>Fri, 22 Aug 2008 16:18:57 GMT</pubDate>
      <dcterms:modified>2008-08-22</dcterms:modified>
      <dcterms:created>2008-08-22</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>activity,electricity,hands-on,k-12,science,teaching</itunes:keywords>
      <enclosure length="5901374" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-08-22T09_20_38-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>491</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>Staff educator Modesto Tamez tells how he gets students exploring electromagnets, a great preparation for making an electric motor. Stripped Down Motor activity: www.exploratorium.edu/snacks/stripped_down_motor.html</itunes:summary>
    </item>
    <item>
      <title>47.  Groovy Sounds (Make your own phonograph)</title>
      <description>TI staff educator Eric Muller explains how to make your own record player! 
Groovy Sounds activity: www.exo.net/~emuller/activities/Groovy%20Sounds.pdf
More of Eric Muller&#8217;s activities: www.exo.net/~emuller
</description>
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      <pubDate>Fri, 15 Aug 2008 16:15:56 GMT</pubDate>
      <dcterms:modified>2008-08-15</dcterms:modified>
      <dcterms:created>2008-08-15</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>k-12,physics,science,sound,teaching</itunes:keywords>
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      <itunes:duration>571</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>TI staff educator Eric Muller explains how to make your own record player! 
Groovy Sounds activity: www.exo.net/~emuller/activities/Groovy%20Sounds.pdf
More of Eric Muller&#8217;s activities: www.exo.net/~emuller
</itunes:summary>
    </item>
    <item>
      <title>46.  If you could hop like a frog...</title>
      <description>It can be hard to make ideas about size and scale relevant to students&#8217; lives. Children&#8217;s book author David Schwartz explains a series of neat real-world comparisons from his book that really get the concepts across.
David Schwartz&#8217;s Web site: www.davidschwartz.com
</description>
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      <pubDate>Sun, 03 Aug 2008 16:31:06 GMT</pubDate>
      <dcterms:modified>2008-08-03</dcterms:modified>
      <dcterms:created>2008-08-03</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>k-12,math,science,teaching</itunes:keywords>
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      <itunes:duration>565</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>It can be hard to make ideas about size and scale relevant to students&#8217; lives. Children&#8217;s book author David Schwartz explains a series of neat real-world comparisons from his book that really get the concepts across.
David Schwartz&#8217;s Web site: www.davidschwartz.com
</itunes:summary>
    </item>
    <item>
      <title>45.  Which is closest?  Pluto or the stars?</title>
      <description>Which is farthest away from the earth, the stars or Pluto? The answer may be obvious to you, but a lot of people get this wrong. Listen to TI director Linda Shore as she presents a little survey about how things are arranged in the heavens&#8212;and explains what the surprising results mean.</description>
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      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-07-26T11_19_28-07_00</comments>
      <pubDate>Sat, 26 Jul 2008 18:17:10 GMT</pubDate>
      <dcterms:modified>2008-07-26</dcterms:modified>
      <dcterms:created>2008-07-26</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>astronomy,classroom,k-12,pluto,science,teaching</itunes:keywords>
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      <itunes:duration>450</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>Which is farthest away from the earth, the stars or Pluto? The answer may be obvious to you, but a lot of people get this wrong. Listen to TI director Linda Shore as she presents a little survey about how things are arranged in the heavens&#8212;and explains what the surprising results mean.</itunes:summary>
    </item>
    <item>
      <title>44.  That sounds good!</title>
      <description>Exploratorium staff physicist Thomas Humphrey divulges a clever way to measure the speed of sound, and he explains how he&#8217;s used that information to measure things in the world.</description>
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      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-07-20T21_58_01-07_00</comments>
      <pubDate>Mon, 21 Jul 2008 04:56:13 GMT</pubDate>
      <dcterms:modified>2008-07-21</dcterms:modified>
      <dcterms:created>2008-07-21</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>classroom,k-12,science,sound,teaching</itunes:keywords>
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      <itunes:duration>579</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>Exploratorium staff physicist Thomas Humphrey divulges a clever way to measure the speed of sound, and he explains how he&#8217;s used that information to measure things in the world.</itunes:summary>
    </item>
    <item>
      <title>43.  The value of support</title>
      <description>A veteran teacher tells how much he was helped in his first year of teaching by an unusually supportive department.</description>
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      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-07-13T11_02_26-07_00</comments>
      <pubDate>Sun, 13 Jul 2008 18:01:21 GMT</pubDate>
      <dcterms:modified>2008-07-13</dcterms:modified>
      <dcterms:created>2008-07-13</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>k-12,science,teaching</itunes:keywords>
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      <itunes:duration>316</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>A veteran teacher tells how much he was helped in his first year of teaching by an unusually supportive department.</itunes:summary>
    </item>
    <item>
      <title>42.  Electrifying Ideas</title>
      <description>The ancient Greeks knew about magnets, and they knew about electricity, too. But it wasn&#8217;t until the nineteenth century that a connection between the two was discovered. Staff physicist Paul Doherty tells the story of how a professor made the connection . . . which led to modern motors. 
Paul Doherty&#8217;s Web site: www.exo.net/~pauld 
</description>
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      <pubDate>Sun, 13 Jul 2008 17:59:46 GMT</pubDate>
      <dcterms:modified>2008-07-13</dcterms:modified>
      <dcterms:created>2008-07-13</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>classroom,electricity,k-12,teaching</itunes:keywords>
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      <itunes:duration>354</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>The ancient Greeks knew about magnets, and they knew about electricity, too. But it wasn&#8217;t until the nineteenth century that a connection between the two was discovered. Staff physicist Paul Doherty tells the story of how a professor made the connection . . . which led to modern motors. 
Paul Doherty&#8217;s Web site: www.exo.net/~pauld 
</itunes:summary>
    </item>
    <item>
      <title>Episode 41 - It's all a Matter of Taste</title>
      <description>TI staff biologist Karen Kalumuck busts some of the myths about taste, and presents a few fun activities for the classroom.
This activity is from the Exploratorium&#8217;s Human Body Explorations: http://explo.stores.yahoo.net/humbodex.html
The Nose Knows activity: www.exploratorium.edu/ti/human_body/nose.html
More activities by Karen Kalumuck: http://philo.exploratorium.edu/karenk
</description>
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      <pubDate>Thu, 26 Jun 2008 23:15:01 GMT</pubDate>
      <dcterms:modified>2008-06-26</dcterms:modified>
      <dcterms:created>2008-06-26</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>biology,taste,tongue</itunes:keywords>
      <enclosure length="5483520" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-06-26T16_19_07-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>456</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>TI staff biologist Karen Kalumuck busts some of the myths about taste, and presents a few fun activities for the classroom.
This activity is from the Exploratorium&#8217;s Human Body Explorations: http://explo.stores.yahoo.net/humbodex.html
The Nose Knows activity: www.exploratorium.edu/ti/human_body/nose.html
More activities by Karen Kalumuck: http://philo.exploratorium.edu/karenk
</itunes:summary>
    </item>
    <item>
      <title>40.  Take it from the Top</title>
      <description>A stack of blocks seems to defy gravity in this activity by Exploratorium staff educator Don Rathjen. 
                
                Take It from the Top activity: http://www.exploratorium.edu/snacks/take_it_from_the_top/index.html
                
                More of Don Rathjen&#8217;s activities: www.exo.net/~donr
                </description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-06-20T08_47_51-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-06-20T08_47_51-07_00</comments>
      <pubDate>Fri, 20 Jun 2008 15:46:10 GMT</pubDate>
      <dcterms:modified>2008-06-20</dcterms:modified>
      <dcterms:created>2008-06-20</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="4660349" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-06-20T08_47_51-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>388</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>A stack of blocks seems to defy gravity in this activity by Exploratorium staff educator Don Rathjen. 
                
                Take It from the Top activity: http://www.exploratorium.edu/snacks/take_it_from_the_top/index.html
                
                More of Don Rathjen&#8217;s activities: www.exo.net/~donr
                </itunes:summary>
    </item>
    <item>
      <title>Episode 39:  A Tale of Adjustment</title>
      <description>A veteran teacher describes his first year of teaching, and the myriad things he adjusted to while he learned the profession he loves.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-06-13T09_42_37-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-06-13T09_42_37-07_00</comments>
      <pubDate>Fri, 13 Jun 2008 16:40:35 GMT</pubDate>
      <dcterms:modified>2008-06-15</dcterms:modified>
      <dcterms:created>2008-06-13</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="3336881" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-06-13T09_42_37-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>278</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>A veteran teacher describes his first year of teaching, and the myriad things he adjusted to while he learned the profession he loves.</itunes:summary>
    </item>
    <item>
      <title>Episode 38:  Going to the Dogs</title>
      <description>What do polarized sunglasses have to do with dog urine? Listen to this curious story from staff physicist Paul Doherty.
Paul Doherty&#8217;s Web site: www.exo.net/~pauld
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-06-04T08_01_22-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-06-04T08_01_22-07_00</comments>
      <pubDate>Wed, 04 Jun 2008 14:58:37 GMT</pubDate>
      <dcterms:modified>2008-06-19</dcterms:modified>
      <dcterms:created>2008-06-04</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>polarization</itunes:keywords>
      <enclosure length="3502080" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-06-04T08_01_22-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>291</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:summary>What do polarized sunglasses have to do with dog urine? Listen to this curious story from staff physicist Paul Doherty.
Paul Doherty&#8217;s Web site: www.exo.net/~pauld
</itunes:summary>
    </item>
    <item>
      <title>37. Scaling Up Barbie</title>
      <description>Size and scale can be difficult concepts to teach. TI staff educator Lori Lambertson talks us through one of her favorite activities, using one of her favorite dolls&#8212;Barbie. </description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-05-16T09_37_24-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-05-16T09_37_24-07_00</comments>
      <pubDate>Fri, 16 May 2008 16:37:24 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2008-05-16</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="3573842" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-05-16T09_37_24-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>392</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Size and scale can be difficult concepts to teach. TI staff educator Lori Lambertson talks us through one of her favorite activities, using one of her favorite dolls&#8212;Barbie. </itunes:summary>
    </item>
    <item>
      <title>36.  Stringing Us Along</title>
      <description>TI program participant Mark Hespenheide presents an elegant illustration of free fall using string and paper clips.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-04-18T10_33_37-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-04-18T10_33_37-07_00</comments>
      <pubDate>Fri, 18 Apr 2008 17:33:37 GMT</pubDate>
      <dcterms:modified>2008-04-18</dcterms:modified>
      <dcterms:created>2008-04-18</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI program participant Mark Hespenheide presents an elegant illustration of free fall using string and paper clips.</itunes:summary>
    </item>
    <item>
      <title>35.  When Words Fail You</title>
      <description>How do you give your students the words they need to understand an activity or a topic? TI Staff Educator Modesto Tamez explains his opinion that vocabulary is best given towards the end of a lesson, not at the beginning.  </description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-04-12T13_34_09-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-04-12T13_34_09-07_00</comments>
      <pubDate>Sat, 12 Apr 2008 20:34:09 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2008-04-12</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2103475" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-04-12T13_34_09-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>294</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>How do you give your students the words they need to understand an activity or a topic? TI Staff Educator Modesto Tamez explains his opinion that vocabulary is best given towards the end of a lesson, not at the beginning.  </itunes:summary>
    </item>
    <item>
      <title>34.  Sound Bytes (Part 2)</title>
      <description>Our host, Stephanie Chasteen, shares some more fun facts and activities having to do with the science of sound.
Stephanie Chasteen&#8217;s Web site: www.exo.net/~drsteph
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-04-06T09_26_39-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-04-06T09_26_39-07_00</comments>
      <pubDate>Sun, 06 Apr 2008 16:26:39 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2008-04-06</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
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      <itunes:duration>323</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Our host, Stephanie Chasteen, shares some more fun facts and activities having to do with the science of sound.
Stephanie Chasteen&#8217;s Web site: www.exo.net/~drsteph
</itunes:summary>
    </item>
    <item>
      <title>33. I Don&#8217;t Think So</title>
      <description>Kids can be pretty skeptical, which can help them to learn more. Children&#8217;s book author David Schwartz shares some of the letters from classes who thought they should double-check the numbers in some of his books. 
David Schwartz&#8217;s Web site: www.davidschwartz.com
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-03-21T11_45_54-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-03-21T11_45_54-07_00</comments>
      <pubDate>Fri, 21 Mar 2008 18:45:54 GMT</pubDate>
      <dcterms:modified>2008-06-19</dcterms:modified>
      <dcterms:created>2008-03-21</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2873132" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-03-21T11_45_54-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>404</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Kids can be pretty skeptical, which can help them to learn more. Children&#8217;s book author David Schwartz shares some of the letters from classes who thought they should double-check the numbers in some of his books. 
David Schwartz&#8217;s Web site: www.davidschwartz.com
</itunes:summary>
    </item>
    <item>
      <title>32.  The Teaching Box</title>
      <description>Staff educator Tory Brady tells you how to make a teaching box&#8212;a valuable tool for getting yourself organized to teach a great science unit.
My Science Box (Web site from TI alumna): http://www.mysciencebox.org/node/172</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-03-14T20_42_12-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-03-14T20_42_12-07_00</comments>
      <pubDate>Sat, 15 Mar 2008 03:42:12 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2008-03-15</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
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      <itunes:duration>479</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Staff educator Tory Brady tells you how to make a teaching box&#8212;a valuable tool for getting yourself organized to teach a great science unit.
My Science Box (Web site from TI alumna): http://www.mysciencebox.org/node/172</itunes:summary>
    </item>
    <item>
      <title>31.  Carbon dioxide - It's a gas!</title>
      <description>TI staff educator Eric Muller shows me how to carbonate my tongue. Blech! 
More of Eric Muller&#8217;s activities: www.exo.net/~emuller
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-03-07T08_23_30-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-03-07T08_23_30-08_00</comments>
      <pubDate>Fri, 07 Mar 2008 16:23:30 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2008-03-07</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="1776733" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-03-07T08_23_30-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>248</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI staff educator Eric Muller shows me how to carbonate my tongue. Blech! 
More of Eric Muller&#8217;s activities: www.exo.net/~emuller
</itunes:summary>
    </item>
    <item>
      <title>30. You *Can* Take It with You</title>
      <description>TI teacher coach Jennifer Paillet explains how to fit in more labs, and get students thinking creatively by using take-home labs.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-02-29T10_10_21-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-02-29T10_10_21-08_00</comments>
      <pubDate>Fri, 29 Feb 2008 18:10:21 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2008-02-29</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2206077" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-02-29T10_10_21-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>309</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI teacher coach Jennifer Paillet explains how to fit in more labs, and get students thinking creatively by using take-home labs.</itunes:summary>
    </item>
    <item>
      <title>29.  Private theories</title>
      <description>Students may come into your classroom with preconceived ideas about how things work. TI director Linda Shore explains why she feels it&#8217;s important to explore students&#8217; private theories about the world, and some ways she&#8217;s found to do that in her own classrooms.
A Private Universe (from Annenburg Media): http://www.learner.org/resources/series28.html
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-02-14T10_44_07-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-02-14T10_44_07-08_00</comments>
      <pubDate>Thu, 14 Feb 2008 18:44:07 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2008-02-14</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2906595" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-02-14T10_44_07-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>409</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Students may come into your classroom with preconceived ideas about how things work. TI director Linda Shore explains why she feels it&#8217;s important to explore students&#8217; private theories about the world, and some ways she&#8217;s found to do that in her own classrooms.
A Private Universe (from Annenburg Media): http://www.learner.org/resources/series28.html
</itunes:summary>
    </item>
    <item>
      <title>28.  Size Does Matter</title>
      <description>Exploratorium staff physicist Thomas Humphrey reveals why size does matter, at least in physics.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-02-08T09_30_06-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-02-08T09_30_06-08_00</comments>
      <pubDate>Fri, 08 Feb 2008 17:30:06 GMT</pubDate>
      <dcterms:modified>2008-06-16</dcterms:modified>
      <dcterms:created>2008-02-08</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2549109" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-02-08T09_30_06-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>358</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Exploratorium staff physicist Thomas Humphrey reveals why size does matter, at least in physics.</itunes:summary>
    </item>
    <item>
      <title>28.  Size Does Matter</title>
      <description>Exploratorium staff physicist Thomas Humphrey reveals why size does matter, at least in physics.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-02-08T09_29_07-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-02-08T09_29_07-08_00</comments>
      <pubDate>Fri, 08 Feb 2008 17:29:07 GMT</pubDate>
      <dcterms:modified>2008-06-16</dcterms:modified>
      <dcterms:created>2008-02-08</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2549109" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-02-08T09_29_07-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>358</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Exploratorium staff physicist Thomas Humphrey reveals why size does matter, at least in physics.</itunes:summary>
    </item>
    <item>
      <title>27. Why We Teach </title>
      <description>Need to remember why you teach? Listen to this incredible story from one of our teacher coaches recalling her first year of teaching. </description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-02-01T09_54_37-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-02-01T09_54_37-08_00</comments>
      <pubDate>Fri, 01 Feb 2008 17:54:37 GMT</pubDate>
      <dcterms:modified>2008-06-17</dcterms:modified>
      <dcterms:created>2008-02-01</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="5034134" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-02-01T09_54_37-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>713</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Need to remember why you teach? Listen to this incredible story from one of our teacher coaches recalling her first year of teaching. </itunes:summary>
    </item>
    <item>
      <title>26.  Discovering Pi</title>
      <description>TI staff educator and math enthusiast Lori Lambertson describes how to find her favorite number.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-01-25T09_26_54-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-01-25T09_26_54-08_00</comments>
      <pubDate>Fri, 25 Jan 2008 17:26:54 GMT</pubDate>
      <dcterms:modified>2008-03-22</dcterms:modified>
      <dcterms:created>2008-01-25</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI staff educator and math enthusiast Lori Lambertson describes how to find her favorite number.</itunes:summary>
    </item>
    <item>
      <title>Hands-on Science</title>
      <description>When staff physicist Paul Doherty began to teach, he started by doing lots of demonstrations. But now, he explains, he has students get their hands on the science, which helps them to understand the calculations. 
Paul Doherty&#8217;s Web site: www.exo.net/~pauld
File:  25-hands-on-science.mp3
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-01-18T09_33_22-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-01-18T09_33_22-08_00</comments>
      <pubDate>Fri, 18 Jan 2008 17:33:22 GMT</pubDate>
      <dcterms:modified>2008-06-19</dcterms:modified>
      <dcterms:created>2008-01-18</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2170962" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-01-18T09_33_22-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>304</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>When staff physicist Paul Doherty began to teach, he started by doing lots of demonstrations. But now, he explains, he has students get their hands on the science, which helps them to understand the calculations. 
Paul Doherty&#8217;s Web site: www.exo.net/~pauld
File:  25-hands-on-science.mp3
</itunes:summary>
    </item>
    <item>
      <title>24.  Survival Guide</title>
      <description>It&#8217;s tough for a new teacher to keep up with everything from labs to professional development. TI teacher coach Arlette Manders provides a potpourri of tips on how to make life a little easier.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-01-11T07_50_23-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-01-11T07_50_23-08_00</comments>
      <pubDate>Fri, 11 Jan 2008 15:50:23 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2008-01-11</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="3124559" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-01-11T07_50_23-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>440</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>It&#8217;s tough for a new teacher to keep up with everything from labs to professional development. TI teacher coach Arlette Manders provides a potpourri of tips on how to make life a little easier.</itunes:summary>
    </item>
    <item>
      <title>23.  For the Love of Math</title>
      <description>TI staff educator Lori Lambertson explains her philosophy of integrating math and science in the classroom, and how she puts it into practice.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2008-01-02T17_05_59-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2008-01-02T17_05_59-08_00</comments>
      <pubDate>Thu, 03 Jan 2008 01:05:59 GMT</pubDate>
      <dcterms:modified>2008-06-16</dcterms:modified>
      <dcterms:created>2008-01-03</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="3606393" url="http://scienceteachingtips.podOmatic.com/enclosure/2008-01-02T17_05_59-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>509</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI staff educator Lori Lambertson explains her philosophy of integrating math and science in the classroom, and how she puts it into practice.</itunes:summary>
    </item>
    <item>
      <title>22.  Ice Scream</title>
      <description>TI staff educator Eric Muller demonstrates a &#8220;cool&#8221; thing to do with dry ice, and it even relates to the standards! 
More of Eric Muller&#8217;s activities: www.exo.net/~emuller
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-12-20T19_12_58-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-12-20T19_12_58-08_00</comments>
      <pubDate>Fri, 21 Dec 2007 03:12:58 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2007-12-21</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="1761721" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-12-20T19_12_58-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>246</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI staff educator Eric Muller demonstrates a &#8220;cool&#8221; thing to do with dry ice, and it even relates to the standards! 
More of Eric Muller&#8217;s activities: www.exo.net/~emuller
</itunes:summary>
    </item>
    <item>
      <title>21. How Much IS a Million?</title>
      <description>Children&#8217;s book author David Schwartz shares some creative ways kids and teachers have used his books to look at big numbers.
David Schwartz&#8217;s Web site: www.davidschwartz.com</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-12-10T09_44_33-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-12-10T09_44_33-08_00</comments>
      <pubDate>Mon, 10 Dec 2007 17:44:33 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2007-12-10</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="3325161" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-12-10T09_44_33-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>469</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Children&#8217;s book author David Schwartz shares some creative ways kids and teachers have used his books to look at big numbers.
David Schwartz&#8217;s Web site: www.davidschwartz.com</itunes:summary>
    </item>
    <item>
      <title>20.  Sound Bytes (Part 1)</title>
      <description>Our host, Stephanie Chasteen, shares some fun facts and activities having to do with the science of sound.
Stephanie Chasteen&#8217;s Web site: www.exo.net/~drsteph
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-11-30T22_11_04-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-11-30T22_11_04-08_00</comments>
      <pubDate>Sat, 01 Dec 2007 06:11:04 GMT</pubDate>
      <dcterms:modified>2008-06-16</dcterms:modified>
      <dcterms:created>2007-12-01</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2325505" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-11-30T22_11_04-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>331</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Our host, Stephanie Chasteen, shares some fun facts and activities having to do with the science of sound.
Stephanie Chasteen&#8217;s Web site: www.exo.net/~drsteph
</itunes:summary>
    </item>
    <item>
      <title>That's a Good Question</title>
      <description>TI staff biologist Karen Kalumuck tells us how she tries not to answer every question in the classroom -&#8211; instead, she guides her students to discover ideas for themselves.
Karen Kalumuck&#8217;s website: http://philo.exploratorium.edu/karenk/
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-11-18T18_58_37-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-11-18T18_58_37-08_00</comments>
      <pubDate>Mon, 19 Nov 2007 02:58:37 GMT</pubDate>
      <dcterms:modified>2008-06-17</dcterms:modified>
      <dcterms:created>2007-11-19</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2971178" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-11-18T18_58_37-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>424</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI staff biologist Karen Kalumuck tells us how she tries not to answer every question in the classroom -&#8211; instead, she guides her students to discover ideas for themselves.
Karen Kalumuck&#8217;s website: http://philo.exploratorium.edu/karenk/
</itunes:summary>
    </item>
    <item>
      <title>18.  Take it outside</title>
      <description>Sometimes kids don&#8217;t have much experience with nature.  TI teacher coach Kim Marie Hansen tells us how she got her inner city students outside and observing the world, by using nature journals.
Sample nature journal page: http://www.exo.net/~drsteph/podcasts/TT_Nature_journals.pdf
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-10-14T23_19_13-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-10-14T23_19_13-07_00</comments>
      <pubDate>Mon, 15 Oct 2007 06:19:13 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2007-10-15</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2294989" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-10-14T23_19_13-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>327</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Sometimes kids don&#8217;t have much experience with nature.  TI teacher coach Kim Marie Hansen tells us how she got her inner city students outside and observing the world, by using nature journals.
Sample nature journal page: http://www.exo.net/~drsteph/podcasts/TT_Nature_journals.pdf
</itunes:summary>
    </item>
    <item>
      <title>17.  Think Positive</title>
      <description>Got a tough kid in your class?  TI Staff Educator Modesto Tamez tells us a story from his teaching career &#8211; a powerful technique that has helped him win over the stubborn, negative students.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-10-08T13_36_22-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-10-08T13_36_22-07_00</comments>
      <pubDate>Mon, 08 Oct 2007 20:36:22 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2007-10-08</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="1633943" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-10-08T13_36_22-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>233</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Got a tough kid in your class?  TI Staff Educator Modesto Tamez tells us a story from his teaching career &#8211; a powerful technique that has helped him win over the stubborn, negative students.</itunes:summary>
    </item>
    <item>
      <title>16.  Marshmallow Puff Tube</title>
      <description>Newton&#8217;s Laws were never so tasty.  Exploratorium staff educator Don Rathjen shows us how to demonstrate ideas about force using a file folder and a marshmallow.  
More of Don Rathjen&#8217;s activities: http://www.exo.net/~donr/
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-09-21T11_19_40-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-09-21T11_19_40-07_00</comments>
      <pubDate>Fri, 21 Sep 2007 18:19:40 GMT</pubDate>
      <dcterms:modified>2008-06-15</dcterms:modified>
      <dcterms:created>2007-09-21</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="3012016" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-09-21T11_19_40-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>417</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Newton&#8217;s Laws were never so tasty.  Exploratorium staff educator Don Rathjen shows us how to demonstrate ideas about force using a file folder and a marshmallow.  
More of Don Rathjen&#8217;s activities: http://www.exo.net/~donr/
</itunes:summary>
    </item>
    <item>
      <title>15.  Lucky Break.  First year of teaching story #2.</title>
      <description>A lucky veteran teacher tells how she got started teaching, with a supportive school and helpful predecessor.  This episode is one in a series of several stories of the first time in a difficult profession.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-09-16T18_52_56-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-09-16T18_52_56-07_00</comments>
      <pubDate>Mon, 17 Sep 2007 01:52:56 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2007-09-17</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2440662" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-09-16T18_52_56-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>336</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>A lucky veteran teacher tells how she got started teaching, with a supportive school and helpful predecessor.  This episode is one in a series of several stories of the first time in a difficult profession.</itunes:summary>
    </item>
    <item>
      <title>14 - Through the Looking Glass</title>
      <description>How big does a mirror have to be for you to see yourself in it?  Exploratorium senior staff scientist Thomas Humphrey describes an activity you can use in your classroom to investigate simple optics.  </description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-09-05T21_49_16-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-09-05T21_49_16-07_00</comments>
      <pubDate>Thu, 06 Sep 2007 04:49:16 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2007-09-06</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="3322702" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-09-05T21_49_16-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>462</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>How big does a mirror have to be for you to see yourself in it?  Exploratorium senior staff scientist Thomas Humphrey describes an activity you can use in your classroom to investigate simple optics.  </itunes:summary>
    </item>
    <item>
      <title>13 - How many hairs on my head?</title>
      <description>Children&#8217;s book author David Schwartz  (www.davidschwartz.com)  tells us how big numbers got him excited about math when he was a kid. </description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-08-28T15_44_10-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-08-28T15_44_10-07_00</comments>
      <pubDate>Tue, 28 Aug 2007 22:44:10 GMT</pubDate>
      <dcterms:modified>2008-06-17</dcterms:modified>
      <dcterms:created>2007-08-28</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="3257791" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-08-28T15_44_10-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>453</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Children&#8217;s book author David Schwartz  (www.davidschwartz.com)  tells us how big numbers got him excited about math when he was a kid. </itunes:summary>
    </item>
    <item>
      <title>12 - To coin a phrase...</title>
      <description>TI staff educator Eric Muller hits me up for change, and then shows us a neat science activity using dry ice. Eric&#8217;s website is at http://doscience.com/.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-08-06T16_48_18-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-08-06T16_48_18-07_00</comments>
      <pubDate>Mon, 06 Aug 2007 23:48:18 GMT</pubDate>
      <dcterms:modified>2008-06-16</dcterms:modified>
      <dcterms:created>2007-08-06</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2596726" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-08-06T16_48_18-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>358</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI staff educator Eric Muller hits me up for change, and then shows us a neat science activity using dry ice. Eric&#8217;s website is at http://doscience.com/.</itunes:summary>
    </item>
    <item>
      <title>11 - What&#8217;s Your Story?</title>
      <description>TI teacher coach Carol Murphy talks about the myriad ways she&#8217;s used storytelling in her science classes.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-07-30T16_13_57-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-07-30T16_13_57-07_00</comments>
      <pubDate>Mon, 30 Jul 2007 23:13:57 GMT</pubDate>
      <dcterms:modified>2008-06-19</dcterms:modified>
      <dcterms:created>2007-07-30</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="3817864" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-07-30T16_13_57-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>533</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI teacher coach Carol Murphy talks about the myriad ways she&#8217;s used storytelling in her science classes.</itunes:summary>
    </item>
    <item>
      <title>10 - First Year of Teaching (Story #1)</title>
      <description> Today's story -- a teacher tells of his first year teaching in a tough school district, and a stellar performance in the face of quite extenuating circumstances.  This episode is one in a series of several of these funny, sad, touching, and tough stories of the first time in a difficult profession. </description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-07-10T16_47_13-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-07-10T16_47_13-07_00</comments>
      <pubDate>Tue, 10 Jul 2007 23:47:13 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2007-07-10</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="3076090" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-07-10T16_47_13-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>433</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary> Today's story -- a teacher tells of his first year teaching in a tough school district, and a stellar performance in the face of quite extenuating circumstances.  This episode is one in a series of several of these funny, sad, touching, and tough stories of the first time in a difficult profession. </itunes:summary>
    </item>
    <item>
      <title>9 - We Won Best Professional Development Podcast!</title>
      <description>Science Teaching Tips just won "Best Professional Development podcast" from the Podcast for Teachers (http://www.podcastforteachers.org.)  In this episode, hear their interview with me, where I talk about why I made this podcast and why I think podcasts can be great professional development for teachers.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-07-10T16_00_27-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-07-10T16_00_27-07_00</comments>
      <pubDate>Tue, 10 Jul 2007 23:00:27 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2007-07-10</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="5616154" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-07-10T16_00_27-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>789</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Science Teaching Tips just won "Best Professional Development podcast" from the Podcast for Teachers (http://www.podcastforteachers.org.)  In this episode, hear their interview with me, where I talk about why I made this podcast and why I think podcasts can be great professional development for teachers.</itunes:summary>
    </item>
    <item>
      <title>8 - Make a Cuica!</title>
      <description>Learn how to build a version of a Brazilian instrument called the Cuica, which demonstrates principles of sound.  This podcast was created collaboratively in a teacher workshop at the Exploratorium.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-04-04T18_11_32-07_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-04-04T18_11_32-07_00</comments>
      <pubDate>Thu, 05 Apr 2007 01:11:32 GMT</pubDate>
      <dcterms:modified>2008-06-16</dcterms:modified>
      <dcterms:created>2007-04-05</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords></itunes:keywords>
      <enclosure length="2329242" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-04-04T18_11_32-07_00.mp3" type="audio/mpeg"/>
      <itunes:duration>326</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>Learn how to build a version of a Brazilian instrument called the Cuica, which demonstrates principles of sound.  This podcast was created collaboratively in a teacher workshop at the Exploratorium.</itunes:summary>
    </item>
    <item>
      <title>7- Classroom Management 	  </title>
      <description>TI teacher coach Sandra Robbins talks about better classroom management styles.
</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-03-07T15_00_23-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-03-07T15_00_23-08_00</comments>
      <pubDate>Wed, 07 Mar 2007 23:00:23 GMT</pubDate>
      <dcterms:modified>2008-06-16</dcterms:modified>
      <dcterms:created>2007-03-07</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>biology,children,class,education,fun,kids,music,physics,school,science,teaching</itunes:keywords>
      <enclosure length="1782655" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-03-07T15_00_23-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>296</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI teacher coach Sandra Robbins talks about better classroom management styles.
</itunes:summary>
    </item>
    <item>
      <title>6 - Student Misconceptions 	  </title>
      <description>TI teacher coach Sandra Robbins touts the merits of a book examining how to address student misconceptions in the science classroom.</description>
      <guid isPermaLink="true">http://scienceteachingtips.podOmatic.com/entry/2007-03-07T14_59_07-08_00</guid>
      <comments>http://scienceteachingtips.podOmatic.com/entry/2007-03-07T14_59_07-08_00</comments>
      <pubDate>Wed, 07 Mar 2007 22:59:07 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2007-03-07</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>biology,children,class,education,fun,kids,music,physics,school,science,teaching</itunes:keywords>
      <enclosure length="1647872" url="http://scienceteachingtips.podOmatic.com/enclosure/2007-03-07T14_59_07-08_00.mp3" type="audio/mpeg"/>
      <itunes:duration>274</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI teacher coach Sandra Robbins touts the merits of a book examining how to address student misconceptions in the science classroom.</itunes:summary>
    </item>
    <item>
      <title>5 - Exponential Folding 	 </title>
      <description>TI staff educators Lori Lambertson and Tory Brady explore the math behind the morning paper.
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      <pubDate>Wed, 07 Mar 2007 22:57:47 GMT</pubDate>
      <dcterms:modified>2008-06-19</dcterms:modified>
      <dcterms:created>2007-03-07</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
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      <itunes:duration>355</itunes:duration>
      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI staff educators Lori Lambertson and Tory Brady explore the math behind the morning paper.
</itunes:summary>
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    <item>
      <title>4 - Sing a Song of Science 	  </title>
      <description>TI teacher coach Rilla Chaney says she's no singer, but she's successfully used songs to teach science concepts in her classroom.
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      <pubDate>Wed, 07 Mar 2007 22:56:25 GMT</pubDate>
      <dcterms:modified>2008-06-15</dcterms:modified>
      <dcterms:created>2007-03-07</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
      <itunes:keywords>biology,children,class,education,fun,kids,music,physics,school,science,teaching</itunes:keywords>
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      <itunes:summary>TI teacher coach Rilla Chaney says she's no singer, but she's successfully used songs to teach science concepts in her classroom.
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      <title>3 - Stem Cells 	  </title>
      <description>TI postdoctoral fellow Julie Yu explains what a stem cell is and why they&#8217;re important. 
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      <pubDate>Wed, 07 Mar 2007 22:54:38 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
      <dcterms:created>2007-03-07</dcterms:created>
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      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI postdoctoral fellow Julie Yu explains what a stem cell is and why they&#8217;re important. 
</itunes:summary>
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      <title>2 - Name That Book! </title>
      <description>TI staff educator Don Rathjen describes how making up joke book titles, such as &#8220;Marine Biology&#8221; by C. Star, is a useful teaching tool&#8212;and also one of his personal addictions.</description>
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      <pubDate>Wed, 07 Mar 2007 22:52:51 GMT</pubDate>
      <dcterms:modified>2008-06-18</dcterms:modified>
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      <itunes:summary>TI staff educator Don Rathjen describes how making up joke book titles, such as &#8220;Marine Biology&#8221; by C. Star, is a useful teaching tool&#8212;and also one of his personal addictions.</itunes:summary>
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    <item>
      <title>1 - Straw Oboe</title>
      <description>TI staff educator Modesto Tamez explains how to make a simple straw oboe that will bring down the house (and teach good physics!).</description>
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      <pubDate>Wed, 07 Mar 2007 22:48:10 GMT</pubDate>
      <dcterms:modified>2008-06-19</dcterms:modified>
      <dcterms:created>2007-03-07</dcterms:created>
      <link>http://scienceteachingtips.podOmatic.com</link>
      <dc:creator>Stephanie Chasteen</dc:creator>
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      <itunes:explicit>clean</itunes:explicit>
      <itunes:summary>TI staff educator Modesto Tamez explains how to make a simple straw oboe that will bring down the house (and teach good physics!).</itunes:summary>
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