Resources

Here are a few useful links:
http://www.learner.org/interactives/rockcycle/
http://www.ecokids.ca/pub/eco_info/topics/energy/ecostats/index.cfm
http://www.alternative-energy-geek.com/
http://www.google.com/imgres?um=1&hl=en&safe=active&client=firefox-a&sa=N&rls=org.mozilla:en-US:official&biw=1280&bih=616&tbm=isch&tbnid=Z_MpxtqJIzy2gM:&imgrefurl=http://preclectic.com/%3Fp%3D1440&docid=7KQZGRwNA0Pr8M&imgurl=http://preclectic.com/wp-content/uploads/2011/01/rock-and-rock-cycle.png&w=257&h=309&ei=iQkoT9qkJ-qi2gXzw9G-Ag&zoom=1&iact=rc&dur=437&sig=114861962930340764313&page=5&tbnh=126&tbnw=105&start=90&ndsp=26&ved=1t:429,r:16,s:90&tx=25&ty=36