Goelolgy

1. What something is made of
3. The external core
5. A plate boundary where the plates slide past each other
7. The hard exterior of the earth
8. The center of the earth
10. The theory that Earth's surface is made up of tectonic plates that move and interact
12. The biggest section of the earth
14. The biggest part of the earth
15. Cracks in the Earth's lithosphere
17. A plate boundary where the plates are colliding
18. The section under the crust
19. When something is being pressed continusly

2. How a rock reacts to pressure
4. Big pieces of land that make up the earth
6. A zone where one oceanic plate subducts under a continental plate.
9. The theory that the plates are moving
11. A plate boundary where the plates move apart
13. When tectonic plates move apart underwater and magma rises to create new land
16. A small outer layer of the earth
20. A solid ball of metal inside the earth