Across
- 2. the amount of mass in a given value of a substance.
- 5. a super continent that existed 200 million years ago.
- 6. the thickest layer of the Earth.
- 7. a molten substance.
- 8. the transfer of heat by the movement of a fluid.
- 10. plates that meet with each other.
Down
- 1. plates that move away from each other.
- 3. heat transfer through touch.
- 4. a mountain that forms in Earth's crust when molten material reaches the surface.
- 9. plates that slide each other.