Across
- 3. Scientists that developed the theory of continental drift
- 5. The theory that the Earth's crust is cracked into many large pieces that move on the aesthenosphere
- 7. Crust and uppermost solid mantle, sits on aesthenosphere
- 9. the crust that forms the continents
- 11. The process of new crust forming at the ocean ridges and spreading outward
- 13. plates colliding with each other
- 14. plates moving apart from each other
Down
- 1. The oceanic crust collides with the continental crust and sinks below it
- 2. A layer of 'plastic' semi-solid rock in the lower mantle
- 4. The movement of lava in the aesthenosphere
- 6. The separating of continents by drifting by drifting across the oceans
- 8. Scientists who developed the theory of seafloor spreading
- 10. plates sliding parallel to each other but in opposite directions
- 12. patterns of magnetism trapped in rocks on each side of plate boundaries