Ring of Fire

4. A type of plate that moves away from another to open a fracture in the sea floor.
5. The movement of one plate under another into the mantle.
8. Large, destructive sea waves often triggered by underwater earthquakes.
12. Sudden, violent vibrations of the ground.
13. Caused by mid-ocean ridges.
17. The part of science concerned with earthquakes and seismic related phenomena.
18. A highly possible result of two plates colliding.
19. Large eruptions causing smoke and lava.
20. The primary plate involved.

1. A narrow, linear geographic zone on Earth's surface characterized by high concentrations of earthquake activity.
2. The remains of an organism preserved in the Earth.
3. One whole super-continent that split into the seven current continents
6. A type of plate that moves toward another and collides.
7. Massive, rigid slabs of solid rock, composed of the Earth's crust and upper mantle.
9. Comes up through the cracks of a mid-ocean ridge.
10. Fractures in the Earth's crust where Earthquakes occur.
11. A state that is very prone to earthquakes due to the San Andreas fault.
14. The way all of the continents fit like to support the Pangaea theory.
15. German meteorologist and geophysicist, best known for proposing the theory of continental drift.
16. Relating to the vibrations of Earth.