Differentiate among the methods of generating power.

Differentiation may include comparing and contrasting methods of power generation (e.g., fossil fuels, human/animal power, nuclear, geothermal, wind, solar, chemical, hybrid systems).

Process/Skill Questions:

• What are the different methods of generating power?
• How have power-generation methods changed over time?
• How are some power-generation methods more efficient than others?
• How is efficiency measured for each power-generation method?