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# Power and Efficiency

## Explores energy used to do work and how much work was necessary to achieve the goal.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Power and Efficiency

by CK-12 //at grade
Students will learn how to calculate power and efficiency. Students will also learn the true meaning of both.
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• Interactive Simulations

## Wind Turbine

by CK-12 //at grade
Learn about the concept of efficiency as it relates to power generation at a wind turbine.
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• Simulation

## Power and Efficiency Simulation

by CK-12 //at grade
Explore kinetic and potential energy by towing objects up a frictionless slope.
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• Video

## Efficiency Part I

by CK-12 //at grade
Efficiency is explained and illustrated with a basic example problem.
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• Video

## Efficiency Part 2

by CK-12 //at grade
More example problems about efficiency are worked out.
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• 0

## Power and Efficiency Quiz - PPB

by CK-12 //at grade
Calculate power and efficiency of a system doing work.
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• Critical Thinking

## Power and Efficiency Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for Power and Efficiency.
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