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