Rock and the Rock Cycle

Click on the words in the picture to find out more about the three types of rocks:

sedimentary rocks
igneous rocks
metamorphic rocks

Rocks can change into other rocks! The stuff that rocks are made from stays the same, but the rocks do not. Over time rocks are recycled into new rocks. Moving parts of Earth's surface layer help rocks recycle!

How does the rock cycle work?

Rock Eating Bacteria Found at the Bottom of the Sea

Newly-Found Rock May Prove Antarctica and North America Were Connected

Earth as a System

Storms Shaped the Himalayan Mountains

Last modified December 3, 2008 by Lisa Gardiner.
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