Across
- 3. Plate boundary that scrapes past each other
- 6. Deep points in the ocean where plates push down
- 11. Piece of land poking above the ocean
- 12. Plate boundary that pulls apart
- 14. Shaking of the ground that occurs when plates move
- 15. Light crust that makes up land masses
- 16. Uppermost layer of Earth
Down
- 1. System of broken crust pieces moving
- 2. Magma from melted plates produces volcanoes
- 4. Layer that includes the crust and very upper mantle
- 5. Layer upon which plates move
- 7. Process of a plate being pushed under another and melting
- 8. Plate boundary that pushes together
- 9. Molten rock from melting plates
- 10. The layer below the crust
- 13. Dense crust under the ocean