+
Interactive
New York Times

New York Times: Crossword Puzzle: Rocks and Minerals

For Students 9th - 10th
Here is an interactive and printable crossword puzzle developed by the New York Times Learning Network. The theme of this puzzle is Rocks and Minerals.
+
Interactive
Quia

Quia: Dig Into Geology

For Students 3rd - 8th
Site provides games and activities that will allow students to have fun, and learn more about rocks and minerals at the same time.