Across
- 1. two or more tectonic plates meet
- 4. rock layers bend under stress
- 7. the strong lower part of the mantle
- 9. squeezing of rocks together
- 11. explosion(SOMETIMES)
- 12. opening of a volcano
- 14. the return of rock to its original shape
- 16. a place within the earth along a fault line with motion
- 19. below the mantle to the center of earth
- 21. process by which rocks change shape under stress
- 23. a layer of weak or soft mantle that is made of rock that flows slowly
- 26. location between the crust and the core
- 27. supercontinent
- 29. where two plates collide
- 30. a column of extremely hot mantle rock called mantle plume rises through the asthenosphere
Down
- 2. above the focus
- 3. a theory that states large blocks of landmasses that move
- 5. two plates move away
- 6. melted rock
- 8. a piece of the lithosphere
- 10. the movement of matter that results from differences in density caused by variations in temperature
- 13. two plates slide past horizontally
- 15. stress that stretches or pulls rocks apart
- 17. molten rock that rises through the earth's surface
- 18. are ground movements that happen suddenly
- 20. outermost, rigid layer of the earth
- 22. the outermost solid layer of earth
- 24. stress that pushes rocks in parallel opposite directions
- 25. crack that forms between two rocks
- 28. magma that has reached earth's surface
