Mason, Adrienne . BC science 7. Toronto: McGraw-Hill Ryerson, 2005. Print.
http://www.lolroflmao.com/wp-content/uploads/2011/09/yQlWu.jpg
http://theviewalavu.files.wordpress.com/2011/08/cheerful-wave.jpg
http://www.gsi.ie/NR/rdonlyres/A3B07F5E-D9BB-4026-908D-DEB9B0217EA6/0/earth_cut.jpg
"Spheres." Earth's Floor: Spheres. Wheeling Jesuit University, 28 Apr. 2005. Web. 15 Dec. 2011. <www.cotf.edu/ete/modules/msese/ear
http://solarsystem.nasa.gov/images/Earth.jpg
-A Science Odyssey: You Try It: Plate Tectonics." PBS: Public Broadcasting Service. N.p., n.d. Web. 14 Dec. 2011. <http://www.pbs.org/wgbh/aso/tryit/tectonics/>.
-"Ask.com - What's Your Question?."Ask.com - What's Your Question?. N.p., n.d. Web. 14 Dec. 2011. <http://www.ask.com/?qsrc=999&l=dir&o=102621&q=ask.&askid=f36c5091-f200-4a63-acb5-592cff863967-0-ca_gse&kwid=ask.&cid=6586757096&site=>.
-"Earth's Continental Plates - ZoomSchool.com." ENCHANTED LEARNING HOME PAGE. N.p., n.d. Web. 14 Dec. 2011. <http://www.enchantedlearning.com/s