Learn more about the Earth and Moon at the following links.  For an extra credit project worth up to 20 points create a power point or children's book teaching someone about 1) lunar phases, 2) tides, 3) solar eclipses, 4) lunar eclipses, and 5) why the Earth has seasons.  You must explain the science, without plagiarizing.  PUT IT INTO YOUR OWN WORDS or you will not receive credit.

Moon phases: http://www.classzone.com/books/earth_science/terc/content/visualizations/es2503/es2503page01.cfm?chapter_no=visualization

Pictures of the Moon: http://spaceplace.jpl.nasa.gov/en/educators/teachers_moon_images.shtml

What causes tides animation: http://www.sfgate.com/getoutside/1996/jun/tides.html

More tide animations:  http://www.sfgate.com/getoutside/1996/jun/tides.html

What causes tides from PBS:  http://www.pbs.org/wgbh/nova/venice/tides.html

BBC Info on Solar Eclipses:http://www.bbc.co.uk/science/space/solarsystem/sun/solareclipse.shtml

Solar Eclipse animation:  http://csep10.phys.utk.edu/astr161/lect/time/eclipse_anim.html

Solar Eclipse information and animation from NOVA:  http://www.teachersdomain.org/resource/ess05.sci.ess.eiu.totaleclipse/

Lunar Eclipse animation:  http://csep10.phys.utk.edu/astr161/lect/time/lunar_anim.html

BBC Lunar and Solar Eclipses Info and more:  http://www.bbc.co.uk/science/space/solarsystem/earth/lunareclipse.shtml

Lunar Eclipses for Beginners:  http://www.mreclipse.com/Special/LEprimer.html

Info on what causes the seasons:  http://csep10.phys.utk.edu/astr161/lect/time/seasons.html

Season info from NOAA:  http://www.ndbc.noaa.gov/educate/seasons.shtml

Season info from Cornell Univ.:  http://curious.astro.cornell.edu/question.php?number=196

Season animation:  http://projects.astro.illinois.edu/data/Seasons/index.html