Objective: To learn about Efficiency and how to improve it.
Learning outcome
Core: level 4
Describe an efficient transfer as one that transfers more energy by a useful process.
State that the efficiency of an energy transfer is always less than 100%.
Calculate the efficiency of a simple energy transfer.
Challenge: level 6
Calculate the efficiency of a range of energy transfers.
Use the law of conservation of energy to explain why efficiency can never be greater than 100%.
Investigate the efficiency of a motor.
Aspire: level 8
Use a wide range of energy stores and physical processes to decide on wasted and useful energy transfers.
Apply the concept of energy dissipation in a wide range of scenarios.
Evaluate in detail an experiment to measure the frictional forces acting on an object.
Learning outcome
Core: level 4
Describe an efficient transfer as one that transfers more energy by a useful process.
State that the efficiency of an energy transfer is always less than 100%.
Calculate the efficiency of a simple energy transfer.
Challenge: level 6
Calculate the efficiency of a range of energy transfers.
Use the law of conservation of energy to explain why efficiency can never be greater than 100%.
Investigate the efficiency of a motor.
Aspire: level 8
Use a wide range of energy stores and physical processes to decide on wasted and useful energy transfers.
Apply the concept of energy dissipation in a wide range of scenarios.
Evaluate in detail an experiment to measure the frictional forces acting on an object.
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