Get your hard hats on and let's go digging for some fun and facts! This sites describe various rocks and minerals. Learn about igneous, sedimentary, and metamorphic rocks and some of the more common minerals.

Help solve the mystery by learning about different types of rocks. Try to figure out how the floating rock was formed. Click on the picture at the bottom to see if that is the correct answer.

Click on "Start" and then enter the site. Click on "Amazing Collections" and then "Rocks and Minerals" to learn about rocks and minerals at the Smithsonian. Use the links at the left to find out how to start and care for your own collection.

This children's museum site explains how different rocks are formed.

See a diagram showing the rock cycle. Read how igneous, metamorphic, and sedimentary rocks are formed.

Play this hangman game that uses words related to rocks and minerals.

Click on the letters to go to different parts of the dictionary and read entries about rocks and minerals.

Click on to buttons to find out about rocks and minerals regarding types, formation, identification, and precious rocks. The information is easy to read! Start with General Information. Click on "projects" to get some experiment ideas for rocks.

Watch this video to learn more about weathering and erosion.