Restless Earth
Across
- 7. What is the theory that explains how large pieces of tectonic plates move and change shape
- 9. What is magma that flows on Earth's surface
- 10. What is a block of lithosphere that consists of the crust and rigid, outermost part of the mantle
- 11. What is an opening at the surface of Earth through which volcanic material passes
- 12. What is the block below the fault plane
- 14. What is the boundary between tectonic plates that are sliding past each other horizontally
- 15. What is the movement of matter due to differences in density
- 16. What is molten rock material that contains trapped gas under the Earth's surface
- 17. What is a vent or fissure in Earth's surface through which magma and gases are expelled
- 19. What type of stress squeezes or pushes rock together
- 20. What is the block above all blocks except a vertical vault
Down
- 1. What is the process by which rock changes shape under stress
- 2. What is the crack that forms when large blocks of rock break and move past each other
- 3. What type of stress stretches or pulls rocks apart
- 4. Name the location where two fault blocks meet
- 5. What is a volcanically active area of Earth's surface
- 6. What type of stress pushes rocks in parallel but opposite directions
- 8. What is the supercontinent thst formed 300 million years ago
- 13. What is the boundary between tectonic plates that colliding
- 18. Name the process that occurs when rock layers bend under stress