UTF-8Newton's Laws at the Atomic Level: The motion of many atoms.241240246
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<font face="Verdana, Arial, Helvetica, sans-serif" size="5" color="#FFFFFF"><strong>Newton's Laws at the Atomic Level:</strong> The motion of many atoms.</font>
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<td><img src="atomMainIdea.png" width="98" height="58"></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif" size="4">How does the motion of many atoms start to approximate Brownian motion?</font></td>
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<font face="Verdana, Arial, Helvetica, sans-serif" size="4">To the right
is a an empty model in which you can place any number of atoms. First, try
adding just two or three atoms, and then trace their paths.</font>
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<font size="4" face="Verdana, Arial, Helvetica, sans-serif"><img height="159" width="244" src="addAtomsPanelFlat.png">
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<strong><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Challenge:</font></strong><font size="4" face="Verdana, Arial, Helvetica, sans-serif">
Highlight an atom, and make it behave like </font><font size="4" face="Verdana, Arial, Helvetica, sans-serif"><a link_width="400" link_left="10" href="brownsExperiment.cml" link_resizable="false" link_menubar="false" link_toolbar="false" link_height="415" target="_blank" link_top="10" link_statusbar="false">one
of Brown's tiny particles</a></font><font size="4" face="Verdana, Arial, Helvetica, sans-serif">
that he observed in his microscope. </font>
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<font size="4" face="Arial, Helvetica, sans-serif"><strong>Why could Brown
come back to his particles over and over again, and always observe that
they were moving in the same way?</strong></font>
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true<html>because there were alive</html><html>because atoms and molecules are always in continual motion</html><html>because atoms and molecules generate their own heat</html><html>because vibrations caused by his walking jiggled the atoms</html>1-373738Lineorg.concord.modeler.PageTextArea380265<html>
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<font size="4" face="Arial, Helvetica, sans-serif"><strong>Brown's
particles were not single atoms, but they were suspended in water, so they
were surrounded by water molecules. How can something appear to be moving
"randomly" and at the same time follow Newton's first law? </strong></font>
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-373738Line11true141true141true1418.0org.concord.modeler.ActivityButtonCreate a report of my work.Newton's Laws at the Atomic Levelpage1.cml,page2.cml,page3.cml,page4.cml,page5.cml,page6.cml,page7.cml,page8.cml,page9.cmlCreate a report for a page group in a new window18.0org.concord.modeler.PageTextBox750.020.0<html>
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<font size="4" face="Arial, Helvetica, sans-serif" color="#990000">After
submitting your report,</font><font size="4" face="Arial, Helvetica, sans-serif">
</font><font size="4" face="Arial, Helvetica, sans-serif"><a link_width="450" link_left="10" href="brownRevealed.cml" link_resizable="false" link_toolbar="false" link_menubar="false" link_height="585" target="_blank" link_top="10" link_statusbar="false">reveal
the secret of Brownian motion</a></font><font size="4" face="Arial, Helvetica, sans-serif">.</font>
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