http://science.nationalgeographic.com/science/earth/inside-the-earth/rocks-article/
http://www.mineralogy4kids.org
http://www.ducksters.com/science/rocks.php
http://www.rockhoundkids.com/
http://www.onegeology.org/extra/kids/rocks_and_minerals.html
http://www.kidsloverocks.com/index.html
http://www.rocksforkids.com/
http://www.sciencekids.co.nz/sciencefacts/earth/rocksandminerals.html
http://www.mineralseducationcoalition.org/
http://www.mineralogy4kids.org
http://www.ducksters.com/science/rocks.php
http://www.rockhoundkids.com/
http://www.onegeology.org/extra/kids/rocks_and_minerals.html
http://www.kidsloverocks.com/index.html
http://www.rocksforkids.com/
http://www.sciencekids.co.nz/sciencefacts/earth/rocksandminerals.html
http://www.mineralseducationcoalition.org/