Science Chapter 7 – 7.7 – 7.10
Across
- 2. Common forms of _____ _____ are sandstone, limestone, and shale.
- 3. A rock or mineral that can reflect light has _____.
- 5. The _____ is the earth’s main source of light and heat energy.
- 6. Rock formed from hot magma or lava is _____ rock.
- 7. Color, luster, and texture are examples of _____ properties of rocks and minerals.
- 9. Fossil fuels such as coal, oil, and natural gas are _____ energy sources.
- 11. an animal can only be fossilized if it has been buried at the _____ time sedimentary layers were forming.
- 13. Geologist test the hardness of rock by the _____ test.
- 14. If a rock breaks into pieces or crumbles, it _____.
- 15. A _____ _____ has never been found in the fossil record.
Down
- 1. Coal, oil, and natural gas are _____ _____.
- 4. Fossils are most often found in _____ rock.
- 5. Rock formed from sediments that have been hardened in a cementing process are _____ rock.
- 8. Marble and slate are _____ rock.
- 10. Pumice has _____ density than granite.
- 12. Water, soil, and oxygen are examples of _____ resources.