We have begun studying our unit in science where we study about the rock cycle, the types of rocks, earth materials, and fossils. Here are some great rock cycle songs from Youtube- we love them and they include such great vocabulary!
"World of Rocks" http://www.youtube.com/watch?v=1mfpmUNMtNc
"Types of Rocks" Song http://www.youtube.com/watch?v=lE3jR_RhxO4