Across
- 4. Rock that forms from heat and pressure
- 5. When burned, these give off energy and they come from the remains of living things
- 9. Igneous rock that forms from under Earth's surface
- 11. Minerals that contain useful metals or nonmetals
- 12. A resource that is naturally replaced quickly
- 14. The process of breaking down rock
- 15. A series of processes that changes rock slowly everyday
- 16. Molten material that create intrusive rocks beneath Earth's surface
Down
- 1. The ____________ properties are derived from observations and measurements
- 2. A resource that takes millions of years to replace itself naturally
- 3. The process in which sediment is placed in a new area
- 6. Rock that forms from sediment cementing and compacting together
- 7. Igneous rock that forms on top of Earth's surface
- 8. A physical property that describes how an object reflects light
- 10. The movement of sediment from one place to another
- 13. The _____________ properties describe an objects ability to burn.
