Across
- 2. A vent in the Earths surface
- 3. The area where one plate is being pulled under another
- 4. a vibration from underground movement along a fault plane
- 11. layer between the crust and the core
- 13. A break in the Earths crust resulting from dipslacement
- 14. horizontal plate boundary
- 15. Solid dense layer of the Earth
- 17. outermost,rigid layer of Earth
- 18. Outermost layer of the Earth
- 20. an instrument for measuring movement
Down
- 1. the gradual movement of very large land masses
- 5. Molten rock, gases, and solid crystals
- 6. Liquid layer of Earth
- 7. A dropped zone where plates are pulling apart
- 8. Spreading Goelogical process in which the Lithosphere splits apart
- 9. relating to or associated with heat
- 10. Soft layer of mantle
- 12. a crack in Earths crust
- 16. Plates moving apart
- 19. Moving towards each other