Plate tectonics

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

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