Return to 4 Energy – Part A “Units”

4 Energy – Part B “Energy Transfers”

Syllabus Aims Year 9….

4.2 describe energy transfers involving energy stores:

  • energy stores:
  • chemical
  • kinetic
  • gravitational
  • elastic, thermal
  • magnetic
  • electrostatic
  • nuclear

energy transfers:

  • mechanically
  • electrically
  • by heating
  • by radiation (light and sound)

4.3 use the principle of conservation of energy

4.4 know and use the relationship:

efficiency = (useful energy output/total energy input) x 100%


4.5 describe a variety of everyday and scientific devices and situations, explaining transfer of the input energy in terms of the above relationship, including their representation by Sankey diagrams.


Resources Part I…

Use this PowerPoints for lessons…4B Energy Transfers Part 1


Useful Videos Part 1…

GCSE Physics - Energy Stores, Transferring Energy & Work Done #1

In this video you'll learn:
- The 'conservation of energy principle'
- The different energy stores
- How energy is transferred between stores
- What we mean by 'work done'

General info:
- Suitable for ...
all GCSE and IGCSE courses

Exam board specific info:
AQA - Everything is relevant to your course!
IGCSE Edexcel - Everything is relevant to your course!
Edexcel - Everything is relevant to your course!
OCR 21st Century - Everything is relevant to your course!
OCR Gateway - Everything is relevant to your course!
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Syllabus Aims Year 10…

4.6 Describe how thermal energy transfer may take place by conduction, convection and Radiation

4.7 Explain the role of convection in everyday phenomena

4.8 Explain how emission and absorption of radiation are related to surface and


4.9 Practical: investigate thermal energy transfer by conduction, convection and radiation

4.10 Explain ways of reducing unwanted energy transfer, such as insulation

Resources Part II…

Use this PowerPoints for lessons…. 4B Energy Transfers Part 2 

Useful Videos Part 2…


FLIR Silver Blanket Thermal Insulation Infrared IR Reflection

Simple video to show how silver reflects IR

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