Plate Tectonics Vocab
Across
- 2. the boundary between 2 plates that slide past each other.
- 4. Boundary between 2 plates that move away from each other.
- 6. circulation of particles caused by differences in thermal energy and density.
- 7. Theory that the Earth is broken into large, rigid pieces that move.
- 11. When magnetic objects point North.
- 13. Magma pushing plates in 2 different directions at a mid-ocean ridge
- 14. A dense ocean plate sinking beneath a more buoyant plate at a subduction zone.
Down
- 1. The boundary between 2 plates that move toward each other
- 3. the movement of Earth's continents over time.
- 5. Long narrow mountain range on the ocean; formed by magma at divergent boundaries.
- 8. The rigid outermost layer of the Earth; includes uppermost mantle and crust.
- 9. Name given to a supercontinent that broke apart 200 mya
- 10. an event that causes a magnetic field to reverse direction.
- 12. The process of one plate moving under another.