Across
- 2. type of weathering done by physical force
- 3. plate boundary where plates collide
- 4. type of weathering done by chemical processes
- 6. the study of the Earth
- 8. type of rock that went through change
- 11. assumption that all processes on Earth developed its surface regularly and constantly
- 12. rock formed from volcanic activity
- 13. when broken down rock gets moved by water
- 17. layer of Earth just underneath the lithosphere made up of molten rock
- 18. hypothesis that all of Earth's land masses are moving
- 19. what broken down pieces of rock get called
- 20. the name of the man who came up with continental drift
- 21. belief that random disasters developed Earth's surface
- 23. type of igneous rock formed from magma cooling
- 25. type of rock that is made up of other rocks
Down
- 1. theory that all movement of Earth's crust is driven by convection in the mantle
- 5. molten rock underground
- 7. process of breaking up rock
- 9. plate boundary where plates move apart
- 10. outermost layer of Earth
- 14. what happens to a rock when extreme heat and pressure deforms it
- 15. molten rock above ground
- 16. plate boundary where plates slide past each other
- 19. when bits of crust get scraped and chipped off during plate movement
- 22. tool for measuring earthquakes
- 24. type of igneous rock formed from lava cooling