Across
- 3. Wood or dung that is burned for heat or electricity.
- 5. Abbreviation for Compact Fluorescent Bulb
- 6. The fastest-growing source of energy in the world.
- 9. Abbreviation for Light-Emitting Diodes.
- 10. The ultimate source of all renewable energy.
- 11. Also known as a solar or PV cell.
- 13. Gas that results from bacterial decomposition.
- 15. Electricity is generated by the energy of moving water.
- 17. Any appliance that “sucks” watts out of your outlets even when not in use.
- 21. Molecules that contain both carbon and hydrogen.
- 22. The rating given to appliances if they perform the same task using less electricity. (2
- 23. A windmill generates electricity.
- 24. Energy from sources that are constantly being formed.
Down
- 1. The heat from within the Earth is used to generate electricity.
- 2. The energy source of the sun.
- 4. Light bulbs that have been around for more than 100 years and are 90-95% inefficient.
- 7. The main process of generating energy at a nuclear power plant.
- 8. The engines of the future use hydrogen gas as their fuel. (2 words-no space)
- 12. _________ solar heating can be used to heat the water in your house.
- 14. Underwater power plants look a lot like wind farms.
- 15. A car with a gasoline engine and an electric motor.
- 16. space)
- 18. _____ solar heating keeps a greenhouse warm.
- 19. Energy sources that are still in development.
- 20. A mix of gas and ethanol is known as this, typically written as E10 or E85 at the pump.