Tectonic Plate Movement

3. Pieces of the earths outer shell that move.
7. A large mass of land known as a region.
8. Has an upper and lower, just outside of the earthscore.
10. The line between two tectonic plates when touching.
11. A large deep hole in the ground.
12. The belief that continents never moved and have been in the same place forever.
14. The very center of the earth and solid from pressure.
16. the belief that all continents where once joined togther creating a super continent
17. The boundary between two plates.
20. The instrument used to record earthquakes.
22. When two ectonic plates collide and cause one to go under the other.
23. The Unit used to determine the strength of an earthquake.

1. Scientific study on how the earths plates move.
2. The magnitude of earthquakes are measured on this scale.
4. when two tectonic plates slide past eachother.
5. when to tectonic plates move apart from rising magma.
6. The shaking of the earth that happens when two plates release stored energy.
9. divergent boundaries create this in the ocean.
13. A steep elevated landform caused by convergent boundaries.
15. The outer layer of the earth.
18. A large pit filled with hot magma that can erupt.
19. when two tectnonic plates collide and one subducts.
21. An old artifact that can be found buried under the ground thousands of years later.