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
Other

Hard Rocks Interactive Crossword

For Students 9th - 10th
A fun way to review what you know about rocks! Play online, or print out and solve later.