Energy Transfers & Systems (Edexcel GCSE Physics): Flashcards
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Practise the cards
10 cards from this deck
System (physics)
System (physics)
Single object or group of objects you're interested in
Closed system
Closed system
Net change in energy is zero
Dissipated means
Dissipated means
Spreads out
Purpose of Sankey diagrams
Purpose of Sankey diagrams
Show how efficient a transfer is
Energy store increased when heating a pan
Energy store increased when heating a pan
Thermal energy stores
Energy store in camping stove
Energy store in camping stove
Chemical energy store
Energy stores when lifting object (work vs gravity)
Energy stores when lifting object (work vs gravity)
Kinetic & gravitational potential stores
How electrical devices transfer energy
How electrical devices transfer energy
Between different energy stores
What happens to energy when system changes
What happens to energy when system changes
Dissipated & stored in less useful ways
Efficiency of transfer proportional to
Efficiency of transfer proportional to
Useful energy output to total energy input