Smithsonian Gem & Minerals Collection
A very good teacher resource site that has lots of information about different gems and minerals. Also has excellent photos of gem stones.

The Mine Safety and Health Administration’s Kids Page
Learn about mine safety and which minerals are found in each of the 50 states form the MSHA.

Volcano World Starting Points
Go to the Kids Door!! You will find stories, games and all kinds of fun activities just for kids. Teaching and Learning - you’ll find lots of ideas for lessons on volcanoes. This site is the first place to go if your topic of study is volcanoes.

Yahoo: Geology and Geophysics
A long listing of geology and geophysics web links by categories. Teacher
resource only.

Earth Science Lessons
A large listing of Elementary Earth Science Lessons.

Rocks and Minerals
A very good educational resource site on rocks and minerals - with some lesson plans .