AQA GCSE Combined Science Trilogy · 8464
Specification 6.1.2.1 · Paper 5, Paper 6
Revise: Energy TransfersLubrication reduces these transfers; it does not abolish energy dissipation altogether.
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GCSE Combined Science · key term
The spreading of energy into less useful stores, usually the thermal stores of the surroundings.
Used by AQA and Edexcel
Specification 6.1.2.1 · Paper 5, Paper 6
Revise: Energy TransfersLubrication reduces these transfers; it does not abolish energy dissipation altogether.
Paper 5, Paper 6
The spreading out of energy into the surroundings, usually increasing their thermal energy store, so that the energy becomes less useful.
Revise: Energy dissipation and efficiencyEnergy is conserved: wasted energy has not disappeared. Instead, it often spreads out into the surroundings, increasing their thermal energy store. This spreading out is called energy dissipation.
The spreading of energy into the surroundings, making it less available for useful transfers.
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