Across
- 5. a type of boundary where crust is formed
- 8. the point on the earth's surface directly above the focus of an earthquake
- 10. a type of boundary where lithosphere is destroyed
- 12. the very outer layer of the earth
- 13. molten rock that has erupted onto earth's surface
- 14. layer beneath earth's crust
- 16. molten rock beneath the earth's surface
- 18. a place where extremely hot material from inside the earth erupts at the surface
- 20. a boundary where plates are moving apart from each other in opposite directions
- 21. a boundary where plates collide with each other
Down
- 1. a zone where earth's crust and mantle are being pulled apart
- 2. an isolated place away from plate boundaries where a lot of magma is collected
- 3. a type of crust that forms the continents
- 4. a section of the earth's crust that moves about on the earth's surface
- 6. a boundary where a section of earth's crust is sliding parallel to each other but in opposite directions
- 7. the centre of the earth
- 9. a huge wave in the ocean caused by an earthquake occuring in the seafloor
- 11. a type of crust that forms the ocean floor
- 13. name for the crust and upper mantle together
- 15. the rapid movement of the ground due to the movement of tectonic plates
- 17. the point below the ground where the earthquake starts
- 19. when one plate sinks below another plate during a collision