Across
- 1. Gigantic pieces of earth's crust and the outer most mantle
- 8. a long, narrow hole
- 10. Two tech tonic plates collide or overlap
Down
- 2. two plates that grind past each other
- 3. two tectonic plates moving away from each other
- 4. Heat coming from the mantle
- 5. a sudden, violent shaking of the ground
- 6. Midocean ridges and rift valleys occur at divergent boundaries
- 7. A plate with greater density sinks under a less dense plate.
- 9. molten rock that is housed in the mantle