science vocab
Across
- 3. middle of earth
- 7. the outermost rigid layer of earth
- 10. the strong lower part of mantle
- 11. tectonics- theory that states Earths outer layer is broken into large ,slowly moving pieces
- 12. top layer of earth
- 13. boundaries- form when two plates move away from each other
- 14. the 2nd layer of earth
Down
- 1. the movement of matter results from density caused by variations in temp.
- 2. the process by which rocks change shape when under stress
- 4. boundaries- a boundary at which two plates move past each other horizontally
- 5. layer of weak or soft mantle that is made of rock that flows slowly
- 6. floor spreading- molten rock rises through cracks along mid ocean ridges
- 8. boundaries- form when two plates collide
- 9. plates- each piece of lithosphere
- 11. super continent