Across
- 3. According to the ____ law of thermodynamics, solar cells will never reach 100% efficiency
- 6. when photons strike and ionize semiconductor material on the solar panel, causing outer electrons to break free of their atomic bonds
- 7. During what time of the day do solar panels not generate power
Down
- 1. Are examples of financial incentives available, that make solar panels affordable
- 2. ____ solar power use mirrors to concentrate the sun's energy to generate electricity
- 4. The impact of solar panels is minimal compared to ____ and burning of fossil fuels.
- 5. What type of climate are solar panels more efficient because excessive heat can reduce the voltage they produce.
