Plate tectonics
Across
- 5. A plate boundary where two plates move toward each other
- 6. The shaking of the earth's crust
- 8. Makes up 84% of the earth
- 9. The thinnest layer of the earth
- 10. _______ spreading is a geologic process in which tectonic plates—large slabs of Earth's lithosphere—split apart from each other
Down
- 1. A plate boundary where two plates slide past each other
- 2. A plate boundary where two plates move away from each other
- 3. The landform when all of the continents were together
- 4. The innermost layer of the earth
- 7. A plume of hot mantle material rising from deep within the Earth