Across
- 3. this boundaries plates slide past each other
- 7. meant to move away
- 8. means to move towards and meet
- 9. is molten rock
- 10. valleys occur at divergent boundaries
Down
- 1. curves away and never meets
- 2. a light low density rock that forms the ____ crust
- 4. a dividing line
- 5. causes tectonic plates to move they are called convection currents
- 6. the mass of a substance per unit volume