Across
- 2. energy that is powered by organic material. Renewable energy.
- 3. energy that uses nonrenewable resources.
- 6. a natural resource that can reused.
- 10. a greenhouse gas that is emitted from the burning of fossil fuels.
- 12. is a liquid fuel that can be used to make gas.
- 13. it is a shield that protects from the sun’s uv radiation. It is being damaged due to greenhouse gasses.
- 15. this material can be recycled.
- 17. energy that uses renewable resources.
- 18. energy that is powered by wind. Another example of renewable energy
- 19. is a solid fossil fuel that is burned. It can be used to power electricity.
Down
- 1. resources that cannot be replaced/reused.
- 4. come from the decay of organisms buried in sediments that are pressed tightly together for millions of years.
- 5. recovering useful resources so that they can be reused.
- 7. resources obtained from the earth.
- 8. ability to do work or make change.
- 9. energy that is powered by nuclear fission. This is a nonrenewable energy since it uses nonrenewable resources.
- 11. energy that is powered by the sun. It is renewable energy.
- 14. energy that is powered by water. Renewable energy.
- 15. is a nonrenewable resource
- 16. energy that is powered by heat. Renewable energy as well.