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Power Metering
http://www1.eere.energy.gov/education/pdfs/acts_heinzerling_powermetering_316.pdf

Department of Energy Academies Creating Teacher Scientists, Department of Energy,

This activity focuses on applying analytic tools such as pie charts and bar graphs to gain a better understanding of practical energy use issues. Also provides experience with how different types of data collected affect the outcome of statistical visualization tools.

Activity takes two 45-minute lessons. The following is required for the activity: TI 84 calculator, access to Excel, Logger Pro, TI smartview program.

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Learn more about Teaching Climate Literacy and Energy Awareness»

Energy Literacy

Power is a measure of energy transfer rate.
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1.8 Power.
Energy is a physical quantity that follows precise natural laws.
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Energy is a physical quantity.
One way to manage energy resources is through conservation.
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6.2 Conserving energy.
Amount of energy used can be calculated and monitored.
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6.8 Calculating and monitoring energy use.
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Human use of energy.

Excellence in Environmental Education Guidelines

1. Questioning, Analysis and Interpretation Skills:C) Collecting information
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C) Collecting information.
1. Questioning, Analysis and Interpretation Skills:D) Evaluating accuracy and reliability
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D) Evaluating accuracy and reliability.
1. Questioning, Analysis and Interpretation Skills:E) Organizing information
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E) Organizing information.
2. Knowledge of Environmental Processes and Systems:2.4 Environment and Society:E) Environmental Issues
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E) Environmental Issues.
3. Skills for Understanding and Addressing Environmental Issues:3.1 Skills for Analyzing and Investigating Environmental Issues:A) Identifying and investigating issues
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A) Identifying and investigating issues.

Benchmarks for Science Literacy
Learn more about the Benchmarks

Increased knowledge of the properties of particular molecular structures helps in the design and synthesis of new materials for special purposes.
Explore the map of concepts related to this benchmark
Different ways of obtaining, transforming, and distributing energy have different environmental consequences.
Explore the map of concepts related to this benchmark
When selecting fuels, it is important to consider the relative advantages and disadvantages of each fuel.
Explore the map of concepts related to this benchmark

Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

  • Frequent check-ins while student teams are working on this outside project would be beneficial.

About the Science

  • A solid grounding or background in basic statistics will help learners grasp the analysis of this activity.
  • Passed initial science review - expert science review pending.

About the Pedagogy

  • A math activity about energy - students will learn about energy usage. Requires familiarity with certain numerical analysis and data interpretation tools such as Excel that may be more appropriate for higher grade levels. Students actually collect data they use in the activity and will need TI-84 calculator.
  • This lesson was written for a high school AP statistics course. The statistical math skills needed to successfully complete the Power Metering activity are clearly outlined. The team-based assessment asks students to apply their skills outside of class time. There are multiple ways students can apply statistical skills learned in this activity to their own home power consumption.

Technical Details/Ease of Use

  • Work with data sets provided on energy usage in different cases, and active data gathering by students as application examples.
  • Formative assessments and culminating authentic assessment in the form of an analytical report can be added to enrich this activity but should be grounded in an understanding of statistics.

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