Across
- 1. Plants and animals need clean ________ to survive.
- 7. natural resource that cannot be replaced quickly.
- 8. The energy we get from the sun.
- 9. Natural gas, coal, and oil are examples of this type of resource.
- 10. Trees are used to make this
- 11. A black fossil fuel used to produce electricity.
Down
- 2. A natural resource that can be replaced quickly by nature.
- 3. Oil, coal, and natural gas are called ________ fuels.
- 4. water moving through dams can produce this type of energy.
- 5. Strong moving air used to create energy.
- 6. People must ________ resources so they do not run out.
- 12. This liquid fossil fuel is used to make gasoline.