Across
- 3. Solar energy isn't able to _____ the air!
- 4. A solar farm only needs ____ to ten acres of land
- 6. The photovoltaic effect is when an electric current is present in a photovoltaic cell when it is exposed to___?
- 7. Solar panels cannot be _____.
- 9. Who discovered the photovoltaic effect?
- 12. What do solar panels turn energy into?
- 13. Where does solar energy come from?
Down
- 1. What percent of water do solar farms use compared to fossil fuels plants?
- 2. Solar panels started being_____In 1956.
- 5. The solar energy Pv is________
- 8. Who made the first solar panel?
- 10. Solar energy reduces ____ gas emissions.
- 11. Photovoltaics are made out of_______