Across
- 2. Where magma comes to the surface
- 5. Fractures between two plates
- 9. A layer of rock that is made up of ocean and continents
- 10. Molten rock above the Earths surface
- 14. A ring of volcanoes in a ocean
- 15. When tectonic plates move away from eachother
- 18. Liquid metal layer
- 19. Molten rock below the earths surface
Down
- 1. A long mountain range on the oceans floor
- 3. The super continent
- 4. The theory that the lithosphere is divided into various peices
- 6. Outer part of mantle, layer that floats on liquid metal
- 7. Currents caused by difference in temperature
- 8. Carries the edge of one plate under another plate
- 11. When plates move towards each other
- 12. Place where lots of volcanic activities occur
- 13. The theory that tectonic plates drift over time
- 16. When tectonic plates rub against eachother
- 17. The center of the Earth
- 20. Uppermost layer of the earth