Across
- 3. when plates slide past one another
- 4. the amount of big plates on Earth
- 6. when one plate moves underneath the other
- 9. when plates move apart from one another
- 10. the type of crust that we live on
Down
- 1. when plates move towards each other
- 2. structure that forms and becomes a range
- 5. structure that forms that may explode or ooze
- 7. the outermost layer of earth
- 8. thin and dense crust