Across
- 3. The layer that the tectonic plates float on.
- 7. A type of plate boundary where two plates slide past each other.
- 9. Natural occurrence caused by transform boundaries.
- 10. A type of plate boundary where two plates move away from each other.
- 12. The type of crust that makes up the ocean floor of the plate. It is more dense but thinner.
- 14. Natural occurrence caused by divergent boundaries.
- 15. Number of different plate boundaries.
- 16. Measure of how compact the layer is.
Down
- 1. The first scientist that brought up the theory of plate tectonics.
- 2. The type of heat movement that happens in the mantle that is the main part of plate movement.
- 4. The type of crust that makes up the land of a plate. It is thicker but less dense.
- 5. Natural occurrence caused by convergent boundaries.
- 6. A type of plate boundary where two or more plates collide or subduct.
- 8. Theory that the Earth's crust is divided into different plates that move over time.
- 11. When a plate slides under another plate.
- 13. The name of the supercontinent as named by Alfred Wegener.