Across
- 4. push together
- 6. crack or split in convergent boundary
- 8. area
- 9. molten rock housed in the mantle
- 10. large area where the ground is below
Down
- 1. push apart
- 2. exert force
- 3. how much space something takes up in relation to it's mass and volume
- 5. slide past
- 7. slide under when there is a denser and thicker crust