Earth Science

1. The rocky outer layer of the Earth
4. Two tectonic plates move away from one another this type of boundary.
6. The scientist that initially presented the theory of Continental Drift.
8. Two tectonic plates move toward one another this type of boundary.
11. This Earth’s layer is in the center and is believed to be made of solid iron and nickel.
12. This is the second layer of the Earth and it is made of magma.

2. plates The Earth’s crust is broken into about thirty of these.
3. The theory of Continental Drift states that the continents fit together like one of these.
5. This Earth’s layer is outside the center and is believed to be made of moving liquid metal.
7. These may occur when plates grind into each other at a transform boundary.
9. Two plates slide past one another this type of boundary.
10. These landforms may form when two plates collide into one another at a convergent boundary.