Across
- 1. - Conversion of sunlight into electricity.
- 6. cell - Device that converts hydrogen into electricity.
- 8. - Process converting organic materials into hydrogen-rich gas.
- 10. - Sources of energy that can be replenished naturally.
- 11. water splitting - Hydrogen production using high temperatures.
- 14. - Organic matter used as a renewable energy source.
- 16. - Splitting water into hydrogen and oxygen using electricity.
- 17. storage - Methods used to store excess energy for later use.
Down
- 2. - An element and a clean fuel that can be produced from renewable sources.
- 3. gas - Fossil fuel and potential source for hydrogen production.
- 4. - Energy harnessed from the sun.
- 5. - Energy derived from the Earth's internal heat.
- 7. - Power generated by harnessing moving air.
- 9. - Essential resource for hydropower and hydrogen production.
- 12. - Describes fuels that produce minimal emissions.
- 13. - Renewable fuel produced from organic matter.
- 15. - Electricity generated using flowing water.