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1.2.1 Energy transfers in a system — AQA Physics 8463 | GradeGen.AI
Physics
Energy
Conservation and Dissipation
Energy transfers in a system
Energy transfers in a system
AQA GCSE Physics (8463) — Energy
What You Need to Know
Describe energy transfers in a closed system, verifying there is no net change to the total energy.
Describe how energy is dissipated in all system changes, becoming stored in less useful ways ('wasted').
Explain ways of reducing unwanted energy transfers, such as through lubrication and thermal insulation.
Describe how the rate of cooling of a building is affected by the thickness and thermal conductivity of its walls.
Investigate the effectiveness of different materials as thermal insulators and the factors that may affect their thermal insulation properties.
Revision Notes
1
Energy Systems, Conservation and Dissipation
11 key terms
2
Practise with Past Papers
Key Terms & Definitions
Previous Topic: Energy Changes and Storage
Power
Next Subtopic
Efficiency
Reducing Unwanted Energy Transfers
14 key terms
3
Required Practical: Investigating Thermal Insulation
10 key terms
