Across
- 2. Molten rock that has erupted to the Earth's surface.
- 5. A rupture in the crust of the Earth that allows hot lava to escape from a magma chamber below the surface
- 8. A tectonic process whereby plates move away from each other.
- 11. A break in Earth's crust where movement of rock occurs
- 12. A tectonic process that results when one plate overrides another and forces it down into Earth's mantle
- 13. The upper layer of Earth's interior, including the crust and the upper mantle
Down
- 1. Molten rock below the surface of the Earth
- 3. Mid-ocean ____________ are areas of seafloor spreading and crust formation
- 4. A tectonic process whereby plates move toward each other
- 6. A fault when one plate slips suddenly and violently past another
- 7. The thick, dense layer of rock between Earth's crust and its core
- 9. The uppermost division of the solid earth.
- 10. Large movable segments of the lithosphere