Across
- 4. rigid layer which is broken into segments
- 7. The series of wave-like ripples or bends formed during mountain building
- 8. rock reshapes without breaking
- 13. are formed from pre-existing rocks through heat and pressure.
- 15. is about 84% of Earth’s volume
- 16. occurs when all the unconsolidated materials settle in one area
- 18. is the rigid outermost layer of Earth that is composed of crust and the uppermost layer of the mantle.
- 19. squeezing stress
- 20. This is a force that causes hotter, less dense material to force itself up through a ridge.
Down
- 1. This is the pulling of oceanic lithosphere downward at subduction zones.
- 2. are formed from pre-existing rocks and fossils of organisms.
- 3. are formed from cooling of molten magma.
- 5. is a model used to describe how rocks are formed
- 6. show age differences based on plate movements.
- 9. a dynamic planet composed of interacting subsystems
- 10. is the semi-solid layer below the asthenosphere.
- 11. parallel but opposite directions
- 12. causes breakage
- 14. is a process of breaking down rock into smaller pieces
- 17. rock returns to original shape