The Rock Cycle

3. forms when pressure, temperature, or chemical processes change existing rock.
4. molten rock
7. the sinking of regions of the crust to lower elevations.
8. magma that reaches Earth's surface
12. used by early humans as hammers to make other tools.
13. The rising of regions of the crust to higher elevations.
14. forms when magma or lava cools and hardens to become solid
15. The process by which sediment comes to rest.
17. the process by which water, wind, ice, and changes in temperature break down rock.
18. an area where a set of deep cracks form.
19. Processes in which rock changes from one type to another.

1. rock made primarily of the mineral calcite.
2. rock formations shaped by erosion.
5. egyptians used a rock called limestone to create pyramids.
6. rise by millimeters each year.
9. forms when minerals that form from solutions or sediment from older rocks get pressed and cemented together.
10. the process by which sediment is moved from one place to another.
11. rock made up of bands of light and dark minerals.
16. dwelling in Colorado, home to the Ancient Puebloans.