Year 9 · Science

Energy Changes And Transfers

Year 9 learners practise calculating energy cost and power.

The activities include Calculate Energy and Cost of Electricity Bills, Compare Advantages and Disadvantages of Different Energy Resources, Define and Calculate Power, and related practice. The checked support below includes video, worksheet, teaching. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.

Activities covered

Calculate Energy and Cost of Electricity Bills
Compare Advantages and Disadvantages of Different Energy Resources
Define and Calculate Power
Describe Multi-Step Energy Changes
Describe Processes of Heat Transfer
Explain How Simple Machines Work
Identify and Compare Fuels and Energy Resources
Identify Energy Changes in Electrical Circuits
Interpret the Energy Information on Food Labels and Use Different Units of Energy
Investigate Multi-Step Energy Changes
Understand Energy Changes
Understand How to Calculate Fuel Uses and Costs

Checked learning resources

Mains electricity

Oak National Academy · Video · Opens on the provider website

I can compare the power of different appliances and work out how much they cost to use. This KS3 science video lesson directly teaches the concepts and scientific action required by "Calculate Energy and Cost of Electric
Using renewable energy resources

Oak National Academy · Video · Opens on the provider website

I can describe how renewable energy resources can be used to generate electricity. This KS3 science video lesson directly teaches the concepts and scientific action required by "Compare Advantages and Disadvantages of Di
Transferring energy

Oak National Academy · Video · Opens on the provider website

I can identify when stores of energy change, and describe causes of energy transfer between stores. This KS3 science video lesson directly teaches the concepts and scientific action required by "Describe Multi-Step Energ
Levers

Oak National Academy · Video · Opens on the provider website

I can identify levers and describe their purpose and how they work. This KS3 science video lesson directly teaches the concepts and scientific action required by "Explain How Simple Machines Work".
Comparing fuels

Oak National Academy · Video · Opens on the provider website

I can carry out a fair test to compare the energy transferred by burning different fuels. This KS3 science video lesson directly teaches the concepts and scientific action required by "Identify and Compare Fuels and Ener
Food is a source of building materials and energy

Oak National Academy · Video · Opens on the provider website

I can explain how food is used for growth and repair and to provide energy, and interpret information on food labels about the amounts of nutrients and energy provided by different foods. This KS3 science video lesson di
Energy - KS3 Physics

BBC Bitesize · Worksheet · Opens on the provider website

BBC KS3 science teaching, examples and practice checks for Energy Changes And Transfers; selected for the concepts in "Calculate Energy and Cost of Electricity Bills" after reviewing the full worksheet context.
Resistance and parallel circuits: lesson sequence

Oak National Academy · Teaching · Opens on the provider website

This KS3 Oak unit provides sequenced teaching on Resistance and parallel circuits. It includes the lesson objective closest to the full worksheet context: Mains electricity.