Across
- 1. The outer layer of the Earth (also called the lithosphere)
- 5. A deep ditch under the ocean along a tectonic plate boundary
- 8. A series of large waves caused by an underwater earthquake
- 9. The centre of the Earth
- 12. A fracture in rock where the tectonic plates have moved
- 13. The word for when two tectonic plates are sliding past each other
- 14. Semiliquid rock found beneath the Earth's surface
Down
- 2. The theory that the middle of the ocean is spreading apart
- 3. The movement of the continents over time
- 4. A large layer of solid rock that covers part of the surface of Earth
- 6. The word for when two tectonic plates are moving together
- 7. The movement of one tectonic plate under another tectonic plate
- 10. The layer of molten rock located beneath the Earth's crust
- 11. The word for when two tectonic plates are moving apart