Plate Tectonic Unit Vocabulary
Across
- 2. The downward movement of an oceanic plate beneath another plate.
- 5. The large underwater mountain range formed by plate tectonics.
- 7. The theory that explains the movement of Earth's plates.
- 10. The name for the boundary between two tectonic plates that are moving apart.
- 11. Deep, steep depressions in the ocean floor, often formed by subduction zones.
- 13. A type of fault caused by compression in Earth's crust.
- 18. A rigid outer part of the Earth divided into plates.
- 19. A crack in the Earth's crust formed by tension and pulling apart.
- 21. The type of fault that slides horizontally.
- 22. The phenomenon where two tectonic plates collide and one plate sinks below the other.
- 23. A type of boundary where plates slide past each other horizontally.
- 24. The process responsible for creating large mountain ranges over long periods of time.
Down
- 1. These form when magma escapes from Earth's mantle.
- 3. movements of molten rock within Earth's mantle, responsible for driving plate tectonics.
- 4. A method used to map the ocean floor by emitting sound waves.
- 6. The process of crust formation at divergent boundaries in the ocean.
- 8. The type of boundary where plates move toward each other.
- 9. The supercontinent that existed millions of years ago.
- 12. A system of underwater springs often found near mid-ocean ridges.
- 14. process where plates move apart and create new crust.
- 15. A break in the Earth's crust where plates move.
- 16. The geological feature formed where tectonic plates pull apart, like the East African Rift.
- 17. Earth movements caused by tectonic stress, leading to ground shaking.
- 20. The edge where two tectonic plates meet.