Across
- 2. The theory about all motion of plates
- 5. A large well known belt of bubbles
- 9. someone who studies seismic waves
- 11. Long mountain range that forms underwater
- 12. heated material melted to a liquid state underground
- 14. An area where the ocean floor sinks into the mantle, forming a dipped area
- 18. Scientist that discovered Pangea's existence and presented the idea of continental drift
- 20. An area where Earth's crust diverges above water
Down
- 1. The idea of the continents slowly gliding over Earth
- 3. a cycle of heat in which the hotter something is, the more it rises, and the colder something is, the more it sinks
- 4. a boundary where two plates split away from each other
- 6. An area in earths crust where magma is able to form and seep through
- 7. the super continent that existed more than 200 million years
- 8. The process when Oceanic crust gets sucked underground into the mantle
- 10. a boundary in which two plates scrape against each other in opposite direction
- 13. Magma after it gets to the surface
- 15. The solid parts of the Earth lithosphere that are broken into pieces
- 16. a boundary in which two plates come together
- 17. An ancient specimen secured in rock
- 19. Breaks in the Earths crust