Across
- 2. a type of rock that contains a mine-able amount of minerals
- 5. to conserve resources by using less energy
- 9. bendable or shape able
- 10. a strong, lightweight metal that is the most abundant metal in the earth's crust
- 13. a natural resource that is used and can be replaced in a relatively short amount of time
- 14. a concentrated area of specific minerals that have melted and separated into layers
- 17. small plant like organisms found in the ocean that are able to carry on photosynthesis
- 20. a holding area of water located behind a dam
- 21. a chemical produced from oil
- 22. a fossil fuel formed from plant material that was quickly buried and fossilized under great pressure
- 26. a liquid fossil fuel used to heat homes and produce electricity
- 27. an inorganic substance found naturally in the earth
Down
- 1. a valuable metal that often indicates wealth
- 3. a piece of glacier, ice sheet, or ice shelf that breaks off into the ocean and floats independently
- 4. one of Earth's most valuable renewable resources
- 5. a factory that separates crude oil into products
- 6. gas a fossil fuel found in a gaseous state that is often found close to deposits of oil
- 7. renewable energy that uses heat from within the earth to produce steam
- 8. a mineral necessary to produce nuclear energy
- 11. term used to describe farmland that is unused or allowed to rest for a season or a year
- 12. energy that makes electricity by using the energy of running water
- 15. a natural resource that cannot be replaced easily
- 16. refers to all of earth's water
- 18. means to remove the salts and other minerals from water
- 19. to conserve resources by finding new ways to use a product
- 23. layers of sand, gravel, or bedrock that hold or move ground water
- 24. water vapor in the air
- 25. to conserve resources by turning product into other products