| Method |
Precise Learning Objective |
Linked |
Question / Activity
(Designed for maximum working out) |
Stepping Stones |
Pitstop Check
(Thinking Map) |
| D |
Comparing power ratings of domestic appliances in watts (W, kW) |
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Can we see any patterns in the data in the memory anchor?
Sort into categories based on power rating or use.
Excel file to sort on power rating. |
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| W |
Heating appliances use a lot of energy. |
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What sort of appliances generally use the most energy? |
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| W |
The amount of energy transferred by an appliance depends on the power rating of the appliance and the duration. |
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What does the amount of energy transferred depend on? |
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| W |
Energy = power x time |
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What is the equation for calculating energy? Combine and convert proportionalities to an equality. |
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| D |
Sample calculations to include: J, kJ, kWhour units. |
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How many Joules are there in a kilojoule? Cost of energy worksheet |
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| T |
A unit of electrical energy is the same as a kilowatt hour (kWh). |
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What is a kilowatt hour? What units are used? |
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| T |
The amount of electrical energy used by a customer is measured by an electrical meter. |
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How is the amount of energy used by a customer measured? Meter readings |
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| W |
The cost of electricity is equal to number of units x cost per unit. |
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What is the equation for calculating the cost of electricity? |
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| T |
The cost of an electrical unit is around 15p.
The cost of Gas is around 4p per kWh, which is why it is preferred for heating applications. |
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What is the rough cost of an electrical unit? https://www.confusedaboutenergy.co.uk/index.php/domestic-fuels/fuel-prices |
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