Energy Stores & Transfers (AQA GCSE Physics Combined Science): Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Kinetic energy store
Kinetic energy store
Energy stored by a moving object
Gravitational potential energy store
Gravitational potential energy store
Energy stored when object lifted to height
Elastic potential energy store
Elastic potential energy store
Energy stored in stretched or compressed object
Chemical energy store
Chemical energy store
Energy stored in chemical bonds
Nuclear energy store
Nuclear energy store
Energy stored inside nuclei of atoms
Conservation of energy principle
Conservation of energy principle
Energy cannot be created or destroyed, only transferred
Specific heat capacity ()
Specific heat capacity ()
Energy required to raise 1 kg of substance by 1°C
Renewable energy sources
Renewable energy sources
Energy sources that never run out
Non-renewable energy sources
Non-renewable energy sources
Energy sources that can't be replenished once depleted
Effect of high thermal conductivity
Effect of high thermal conductivity
Heat travels through material more easily
Effect of thick walls w/ low thermal conductivity
Effect of thick walls w/ low thermal conductivity
Slower rate of cooling
How lubrication reduces energy waste
How lubrication reduces energy waste
Reduces friction, less energy lost as heat
How double glazing reduces energy waste
How double glazing reduces energy waste
Reduces thermal energy lost from building
What efficiency measures
What efficiency measures
Ratio of useful energy output to total energy input
Lower thermal conductivity effect on energy loss
Lower thermal conductivity effect on energy loss
Less energy is lost as heat