EXTRA ACTIVITIES ON ROCKS AND MINERALS

The following is a link to a web page with different activities about rocks and minerals, you may find something interesting and entertaining:

http://science.k12flash.com/rocks.html

Also there is a game to practice with the Moh's Scale for minerals' hardness, you will need to READ THE INSTRUCTIONS so you can play:

 http://www.fossweb.com/modules3-6/EarthMaterials/index.html

Enjoy!