What is a rock? There's nobody better to answer that question than Andrew Alden, the About.com Guide to Geology. In "What Is a Rock?", Andrew explains the characteristics of rocks. He also teaches us How to Look at a Rock and how to identify rocks.
Make your own homemade geology kit so the kids can explore the world of rocks.
Check out Andrew's rock picture galleries:- Igneous Rock Pictures - Learn about Igneous Rocks
- Sedimentary Rock Pictures - Learn about Sedimentary Rocks
- Metamorphic Rock Pictures - Learn about Metamorphic Rocks
Next Page - Rocks Vocabulary
