Earth and the Lithosphere

2. Crust Earth's outermost layer of rock.
4. The magnetic field of the earth is caused by _____________ flow in the core.
6. An _______ is caused by rock masses moving along a fault or volcanic activity.
8. The type of rock that comes from other types of rock due top pressure and temperature.
11. The type of mountain formed by rock masses pushing against each other.
15. The point on the surface of the earth directly above where an earthquake actually begins.
16. the upper layer of earth's mantle.
17. The discontinuity that separates the mantle form the core.
19. A weaker earthquake that usually happens after a bigger one.
20. The type of rock that forms from molten rock.

1. The boundary between two sections of rock that can move relative to one another.
3. The main thing scientists observe to learn about the makeup of earth's interior.
5. Where the magnetic field of the earth is generated.
7. The outermost layer of earth.
9. The discontinuity that separates the crust from the mantle.
10. Rock that behaves like something between a liquid and a solid.
12. A hypothetical supercontinent that could have existed in earth's history.
13. Life would cease to exist on earth without this.
14. The point where an earthquake begins.
18. The discontinuity between the inner core and the outer core.