Plate Tectonics

4. This is the upper part of the Mantle that cause our tectonic plates to move
7. This is the innermost layer; made of solid metal
8. This type of crust is lighter and less dense
9. This is the outermost layer of the Earth
10. This is the second layer of the Earth
11. This is the bottom part of the crust that is broken into tectonic plates
13. This is the only liquid layer of the Earth

1. What country is Alfred Wegener From?
2. This is the theory that says the Earth's crust is broken into pieces
3. This is the theory that says that the broken pieces of the Earth's surface are moving
5. This is the name of the super continent formed 225 million years ago
6. This is the scientist credited with the Continental Drift Theory
12. This type of crust is heavier and more dense, sinks