Ionic and Polar Covalent Crystals

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" colspan=2 height=56 BGCOLOR="#003333" TEXT="#F7F7FF" bgproperties="fixed" background="011a0a03.jpg"> <div> Ionic and Polar Covalent Crystals</div> <div> </div> </td> </tr><tr> <td valign="top" width=135 BGCOLOR="#003333" TEXT="#F7F7FF" bgproperties="fixed" background="21fa0c01dduajq.jpg"> <div> <A HREF="index.htm" TARGET="_top" TITLE="Educators Science and Math Institute Ser"><U><B>Educators' Science and Math Institute Series</B></U></A></div> <bR> <div> <A HREF="id2.htm" TARGET="_top" TITLE="About the Series"><U><B>About the Series</B></U></A></div> <div> <A HREF="id117.htm" TARGET="_top" TITLE="Goals"><U><B>Goals</B></U></A></div> <div> <A HREF="id3.htm" TARGET="_top" TITLE="Institutes"><U><B>Institutes</B></U></A></div> <div> <A HREF="lesson_plans_prepared_by_esmis_participants_.htm" TARGET="_top" TITLE="Lesson Plans"><U><B>Lesson Plans</B></U></A></div> <div> <A HREF="id53.htm" TARGET="_top" TITLE="Links"><U><B>Links</B></U></A></div> <div> <A HREF="id138.htm" TARGET="_top" TITLE="Photo Albums"><U><B>Photo Albums</B></U></A></div> <bR> <div> <A HREF="http://www.ed.mtu.edu/search.htm" TARGET="_top" TITLE="http://www.ed.mtu.edu/search.htm"><U><B>Search</B></U></A><A HREF="http://www.ed.mtu.edu/search.htm" TARGET="_top" TITLE="http://www.ed.mtu.edu/search.htm"><U><B> ESMIS</B></U></A></div> <bR> </td> <td valign="top" height=424 BGCOLOR="#EEEEEE" TEXT="#080000"> <div> Educators' Science and Mathematics Institute Series</div> <div> Winter Ecology Lesson Plan</div> <bR> <div> <B>Descriptive Title:</B><I>  Comparing Ionic and Polar Covalent Crystals</I></div> <bR> <div> <B>Submitted By:</B><I>  Brian Hugo</I></div> <bR> <div> <B>Subject and Grade Level:</B><I>  A.P. Chemistry, 12</I><FONT SIZE="1" COLOR="#000000" FACE="Arial" ><I>th</I></FONT><I> Grade</I></div> <bR> <div> <B>Overview/Purpose:</B><I>  </I></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Students will prepare several ionic crystals and compare their physical properties with a “preserved snowflake.”</I></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">To illustrate how a dipole-dipole intermolecular force (hydrogen bonding) can create a crystal lattice similar in many ways to an ionic lattice</I></div> <bR> <div> <B>Objectives (Learner Outcomes):</B></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Students will be able to discuss the similarities between ice crystals and ionic crystals using qualitative observations and drawings.</I></div> <bR> <div> <B>Activities and Procedures:</B><I>  </I></div> <div> <I>     </I>Day 1</div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Students will prepare slides of ionic crystals to dry overnight. (NaCl, KNO</I><FONT SIZE="1" COLOR="#000000" FACE="Arial" ><I>3</I></FONT><I>, CuNO</I><FONT SIZE="1" COLOR="#000000" FACE="Arial" ><I>3)</I></FONT></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Students will research lattice shapes (packing) for the salts that they prepared (CRC guide)</I></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Students will preserve a snowflake on a slide, either this day or prior, when conditions allow.  (James Benko method)</I></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Students will write a short compare/contrast essay discussing differences and similarities between ionic lattices and covalent (ice) crystals in theory.</I></div> <div> Day 2</div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Students will observe and sketch all crystals using a dissection microscope</I></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Students will write a short conclusion comparing the crystals.  There should be sketches of each crystal included</I></div> <bR> <div> <B>Closure:</B><FONT SIZE="1" COLOR="#000000" FACE="Arial" ><I> </I></FONT></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Class will discuss how important hydrogen boding is to all of us.  Why does water boil at such a high temp?  Would we have evolved if the hydrogen bond had not been present in the water molecule?</I></div> <bR> <div> <B>Assessment Strategies:</B></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Grading the comparison/contrast essays</I></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Grading the conclusion and sketches</I></div> <bR> <div> <B>Resources:</B></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">CRC Guide</I></div> <bR> <div> <B>Materials:</B></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Salts listed</I></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Microscopes</I></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Materials for preserving snowflakes</I></div> <bR> <div> <B>Standards Addressed:</B></div> <div> <I><IMG BORDER="0" SRC="Symb075c00b700f000000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Using scientific knowledge from physical sciences in real world contexts  *context standard 2 #5 </I></div> </td> </tr></table></body>