Watt Does It Cost To Use It?
Energy Efficiency and Conservation
Students learn how electrical usage is counted and priced. They measure and evaluate energy use and cost of representative household and school electrical items.
Physical Science, Environmental Science, Physics, Math
|Plan Time:||Three class periods
National Standards: 5-8
- INT-A: 1 .d. Develop descriptions, explanations, predictions, and models using evidence.
- INT-B: 3.a. Energy is a property of many substances and is associated with heat, light, electricity, mechanical motion, sound, nuclei, and the nature of a chemical.
- INT-F: 4.c. Students can use a systematic approach to thinking critically about risks and benefits.
National Standards: 9-12
- SEC-C: 4.c. Humans modify ecosy
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Handout included; medium apple or 100 g mass, meter stick, calculator, representative electrical appliances, copies of a residential electric bill, copied blank student research table (optional), watt meter (optional).
Alliance to Save Energy