Plate tectonics

3. mountain or hill, typically conical, has a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
4. bigger eruption then a normal volcano and way bigger too
6. any sudden shaking of the ground caused by the passage of seismic waves through Earth's rocks
8. the location where two plates meet
10. the first layer of earths layers
11. the fourth and final layer in earths layers
12. crust, mantle, outer core, and inner core
14. the pull away between two plates
15. formed over convergent boundaries
17. the second layer in earths layers
18. a fracture or zone of fractures between two blocks of rock.
19. a supercontinent
20. an elastic wave in the earth produced by an earthquake or other means.

1. the rigid outer part of the earth, consisting of the crust and upper mantle.
2. when two plates rub against each other
5. the third layer in earths layers
7. the push against two plates
9. is a long high sea wave caused by an earthquake, submarine landslide, or other disturbance.
13. tectonics a plate underneath earths surface
16. formed when divergent boundaries erupt in the ocean