My Science Library Fossils and Rocks by Kimberly M Hutmacher Science Content Editor Shirley Duke Rourke Educational Media rourkeeducationalmedia com Teacher Notes available at rem4teachers com
You’re Standing on a Rock Did you know that you’re standing on a rock Planet Earth’s outer layer is a gigantic rock Sometimes the rock is covered by soil grass or water but the rock is still there Earth’s outer layer is called the crust crust inner core outer core mantle 4
Minerals are natural non-living particles found in the ground Minerals tightly packed together form rock There are almost 5,000 known minerals Here are some you’ve probably seen clay salt talc diamond emerald ruby gold silver copper 5