How much energy do YOU use?

Kill-A-Watt_Meter
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Intended Grade Level(s):
7-8
Energy Content:
Electrical Energy,
Energy Efficiency,
Energy Fundamentals
Learning Goal(s):

Students will be able to: • Explain the difference between power and energy • Proficiently use a “Kill-A-Watt” meter to determine the power and total energy usage of everyday devices • Compare the total energy used by common household devices • Brainstorm different ways we can conserve electrical energy

Unit:
Solar vs. Wind Energy
Lesson Number:
3
Pedagogy & Practice:
Field Work,
Hands-on Materials,
Research-Primary
NGSS Science and Engineering Practices:
4: Analyzing and Interpreting Data,
5: Using Mathematics and Computational Thinking,
8: Obtaining, Evaluating, and Communicating Information
Relevant NGSS PE:
MS-ESS3-3,
MS-PS3-3
Other Subjects Covered:
Math: Addition, Subtraction, Multiplication, Division,
Math: Algebra,
Math: Measurement
Estimated Activity Length:
0 sec
Files Associated with this Activity:
PDF icon Lesson 3 How much Energy do you use.pdf
File Energy and Power Lesson.pptx
PDF icon Home Energy Consumption Worksheet - frankel- deb.pdf
PDF icon Student Sheet #3 How Much Energy Do You Use.pdf
Description:

Students will learn the difference between energy and power. They will then use this new understanding to compare the energy and power difference of light bulbs (incandescent, halogen, fluorescent, and LED) using a tool called a “Kill-A-Watt” meter. Students will also perform simple calculations to find the total amount of energy used if the power usage and number of hours a device is used is known. This lesson is related to Debbie Frankel’s lesson, called “Home Energy Consumption”. This is suitable as a stand-alone lesson.

Science Kit Material(s) Used:
Kill-A-Watt Meter
Other Material(s) Used:
Associated handouts, assortment of home electronics