Across
- 3. A place where the Earth's crust is so thin that the magma is able to break through.
- 7. The theory that today's continents were created by the tectonic plates constant movement.
- 10. The circular movement of heat within the Earth, which drive the tectonic plates movement.
- 12. The name given to the supercontinent that existed more than 225 million years ago.
- 13. The hottest layer of the Earth.
- 14. The upper layer of the Earth's mantle.
- 15. The border between two tectonic plates.
- 16. Pieces of of the Earth's crust that are constantly moving.
- 20. Where two plates slide along-side each other, in the same or different direction.
- 21. The thickest layer of the Earth.
- 22. When radioactive elements give off heat.
Down
- 1. The layer above the Asthenosphere.
- 2. The immediate direct impact of a natural event.
- 4. Hot, liquid molten rock.
- 5. The violent shaking of the Earth's crust.
- 6. Where two plates move away from each other, in the opposite directions.
- 8. Where two plates collide, one sliding underneath the other.
- 9. A cone-shaped mountain that erupts lava, ash and gas.
- 11. The thinnest layer of the Earth.
- 17. Where two plates collide against each other, folding upwards.
- 18. The after-effects that occurs as an indirect impact of a natural event.
- 19. Magma that's been erupted out of a volcano.
