Across
- 2. all the living and nonliving factors that make up an area
- 5. a kind of energy made from the sun
- 8. a living factor
- 10. a kind of energy that can be collected from windmills ___ energy
- 11. an energy source that can be replenished relatively quickly ____ resource
- 13. an energy source that can NOT be replaced at the rate it is being used _____ resource
- 15. fossil fuels contribute to the Earth's average temperature becoming higher
Down
- 1. _____ energy is generated from moving water such as rivers
- 3. the gas given off from burning fossil fuels and causes ocean acidification
- 4. most nonrenewable resources are ____ ____
- 6. resources made/found in nature ____ resources
- 7. a type of fossil fuel mined from the earth and burned to create electricity (especially in the past)
- 9. when we use the heat from the Earth in order to generate electricity.
- 12. making energy from plants or animals
- 14. a result of using geothermal energy where the ground collapses