(Optional) Evaluate appliances for energy use and conservation.

Evaluation should include energy ratings (e.g., Energy Star) of appliances and their savings (monetary) over the lifetime of the appliance.

Process/Skill Questions:

• Why are appliances now rated for energy efficiency?
• What is the leading cause of energy overuse in the United States?
• How does energy conservation affect the natural (renewable and nonrenewable) resources available?