Across
- 1. what happens when two tectonics plates collide together
- 3. what layer do we live on
- 4. vent from which magma and other substances erupt to the surface
- 6. Name a rock that starts with m
- 7. name one type of rock
- 8. what is one type of rock
Down
- 2. A big mass of water
- 5. what is one of the plates called