Across
- 2. Source Heat Pump transfers heat to or from the ground
- 5. Cells cell producing an electric current
- 7. Energy hydropower that converts the energy of tides
- 9. chemical decomposition
- 10. hydroelectric power
- 12. derived directly from living matter
- 13. Solar Heating uses mechanical and electrical equipment
- 14. Solar Heating sun's energy for the heating
Down
- 1. Farm group of energy-producing windmills
- 3. Fission splits spontaneously
- 4. Energy generated and stored in the Earth
- 6. fuel overheats and melts
- 8. Certified Systems Professional
- 11. Energy animal fossil fuel
- 14. Cell converts visible light into direct current