Across
- 3. What type of power is generated from flowing water?
- 6. What is the liquid fossil fuel that is refined for gasoline?
- 7. What renewable resource is used to generate hydroelectric power?
- 8. What crop can be converted into biofuel?
- 9. What type of resources cannot be replaced quickly?
- 16. What type of gas is used for heating homes and cooking?
- 17. What type of fuels are coal, oil, and natural gas?
- 18. What structures can harm the environment when used for hydroelectric power?
- 20. What type of energy comes from the heat within the Earth?
- 22. What type of energy is released from the nucleus of atoms?
- 24. What type of biomass includes waste used for fertilizer?
- 25. What renewable energy is created by moving air?
- 26. What machines are used to capture wind energy?
- 27. What type of renewable energy is generated from ocean tides?
Down
- 1. What are materials we use from nature called?
- 2. What does thermal mean?
- 4. What do we use to create biomass energy?
- 5. What greenhouse gas is produced from natural gas?
- 8. What is the solid non-renewable fossil fuel formed from ancient plants?
- 10. What type of resources can be replaced naturally?
- 11. What type of renewable resource includes materials made from plants and animals?
- 12. What does geo mean?
- 13. What type of renewable energy comes from the sun?
- 14. What is the harmful effect caused by burning fossil fuels?
- 15. What type of fossil fuel is colorless and odorless?
- 19. What is the main source of solar energy?
- 21. What type of resources are considered unlimited?
- 23. What do we grow to produce biomass energy?