Tectonic Plates

2. the theory that the landmasses move s called the theory of continental _____
4. one example of evidence used to prove the movement of the Earth's crust
7. the type of plate boundary where the plates are moving away from each other
9. the largest layer of the Earth, and the layer that contains convection currents
12. the type of plate boundary where plates slide along each other
14. an earthquake underneath water can create this destructive wave
17. the type of plate boundary that caused the rise of the Himalaya Mountain Range
18. the material that the Earth's core is mostly made up of
19. these formations can be found along plate boundaries
20. the largest planet in the solar system

1. the thinnest layer of the Earth
3. the movement of warmer and cooler rock in the mantle is called _______ currents
5. the hottest layer of the Earth. Almost made of pure solid iron
6. the name of the largest pieces of the Earth's crust
8. the third planet from the Sun
10. these events are mostly found near plate boundaries
11. the last four planets are made of this material
13. the name of the ocean created from diverging plate boundaries
15. the layer of the Earth that create's the Earth's magnetic fields
16. the Earth is approximately 4.5 __________ years old
21. the first four planets are made of this material