Across
- 4. A process that releases hydrogen
- 8. A device that converts solar energy directly into electricity
- 10. Converting energy from the sun into prower
- 14. A method used to collect, store and distribute the sun's energy throughout a building
- 15. Pump that uses geothermal energy
- 16. A heat-absorbing metal plate
- 18. A device that converts the wind's energy into electrical energy
Down
- 1. Where a group of wind turbines live
- 2. Form of energy that uses moving water to generate electricity
- 3. Hydrogen gas can be used to produce electricity within one
- 5. The movement of tidal water to generate electricity
- 6. Material that makes up living organisms of comes from them
- 7. Electricity generated by the combustion of biomass
- 9. Energy produced from biomass
- 11. A system that uses technology to collect, move and store heat obtained from the sun
- 12. Heat energy from the earth
- 13. Liquid fuels from biomass sources
- 17. A process that converts thermal energy in ocean water to electrical energy