Warm-up #21. Describe how electricity is made in a nuclear

power plant.

2. How are fission and fusion similar? Different?

3. In your opinion, what is the most important advantage of nuclear fission and why?

4. In your opinion, what is the most important disadvantage of nuclear fission and why?

Solar• Radiation from the sun is converted into energy• Where?• 2 Types 1. Passive– No machinery– Building design– Examples• South-facing windows• Absorbing materials

–Greenhouses–Color

Passive Solar Design

• Photovoltaic cells– Solar panels– Movement of electrons = electricity!– Needs battery

• Where?– Residences– Farms– ISS– Other

• Cost

Active Solar Heating

Photovoltaics – Active Solar

• AdvantagesEES 1st

EES 4th

EES 6th EES 7th

• Disadvantages