Across
- 2. Melted rock above the Earth's surface
- 6. When one plate goes under another one
- 8. The hottest of Earth's layers; also the innermost layer of Earth
- 9. The process of plates moving around the Earth
- 11. The thickest layer of the earth; where convection currents cause plates to move
- 13. Two plates moving past each other
- 16. A phenomenon that occurs anytime two plates get stuck and then suddenly unstuck
Down
- 1. Two plates that are coming together
- 3. The layer of Earth that makes up most of the tectonic plates
- 4. Two plates that are moving apart
- 5. An elevated part of Earth's crust with no magma inside; formed by two plates of equal density coming together
- 7. An extra-hot part of the mantle where volcanoes like Hawaii and Yellowstone have formed
- 10. A deep part of the ocean formed when one plate goes under another one
- 12. An area where magma comes up to the Earth's surface
- 14. An area of the ocean with several bumps formed by the spreading of two plates away from each other
- 15. Melted rock beneath the Earth's surface