Energy stores and systems (AQA GCSE Physics): Flashcards
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Practise the cards
14 cards from this deck
What is a system?
What is a system?
One object or several objects working together
How many main energy stores are there?
How many main energy stores are there?
Eight
Examples of chemical energy
Examples of chemical energy
Fuel, food, batteries
What is kinetic energy?
What is kinetic energy?
Energy that moving objects have
What is gravitational potential energy?
What is gravitational potential energy?
Energy that raised objects have
What is elastic energy?
What is elastic energy?
Energy stored in stretched or squashed springs
What is thermal energy?
What is thermal energy?
Energy that hot objects have
What is nuclear energy?
What is nuclear energy?
Energy stored in nuclear fuel
Law of Conservation of Energy
Law of Conservation of Energy
Energy cannot be created or destroyed
What is a closed system?
What is a closed system?
No energy can flow in or out of the system
What are the three methods of energy transfer?
What are the three methods of energy transfer?
Heating, forces, electric current
Ball thrown up: energy change
Ball thrown up: energy change
Kinetic to gravitational potential
Car brakes: energy change
Car brakes: energy change
Kinetic to thermal (friction)
Boiling kettle: energy change
Boiling kettle: energy change
Electrical to thermal