Earth and the Lithosphere
Across
- 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.
Down
- 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.