Across
- 1. - Big wave of water caused by an underwater earthquake
- 5. - An area/region
- 6. - All continents once joined
- 9. - Plates slide past each other
- 12. - Layer under crust
- 13. - Crust found on land
- 17. - Type of crust under continents
- 18. - Shaking of the ground
- 19. - Scientist who came up with the plate tectonics theory
- 20. - Earth's Outer Layer
Down
- 2. - Plates moving past each other
- 3. - High Land areas caused by plates colliding together
- 4. - hot liquid that comes of a Volcano
- 7. - Hot melted rock
- 8. - Plate pulled down
- 10. - A mountain which erupts lava
- 11. - To go down
- 14. - An idea explaining moving plates
- 15. - Plates move apart
- 16. - A big piece of Earth