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9 Electricity

Energy and electricity keywords

TermDefinition
Another name for nuclear energy. atomic energy
It contains a store of chemical energy that can produce electricity cell
The kind of energy stored in food, fuel and cells (batteries) chemical energy
The kind of energy carried by wire. electrical energy
A way of showing energy changes as a flow chart. energy flow diagram
The kind of energy stored by anything that can fall down. gravitational potential energy
The hotter something is the more heat energy it has. heat energy
The unit for measuring energy. joule (J)
The kind of energy in moving things. kinetic energy
The kind of energy given out by bulbs, candles, etc. light energy
Something that changes energy from one form to another. machine
Energy stored inside atoms. nuclear energy
The scientific word for ‘stored’ energy. potential energy
The kind of energy that is made by anything that is making a noise. sound energy
The kind of energy stored in stretched or squashed things which can change back to their original shapes. strain energy
Measures how much electricity is flowing around a circuit. ammeter
It contains a store of chemical energy that can produce electricity. cell
The flow of electrons around a circuit. current
Tiny particle that flows around a circuit. electron
A circuit when the current divides, a part going through each component, then joins up to complete the circuit. in parallel
A scientific way of thinking about how things happen. model
Cells that can have more energy stored in them after they have been used are said to be... rechargeable
A component that makes it more difficult for current to flow resistor
A way of saying how much energy is transferred by electricity. voltage
A component that measures voltage. voltmeter
The unit for voltage. volt (V)
Make electricity by turning a magnet inside coils of wire. generate
Large coil of wire with a magnet inside. When the magnet is turned, electricity is produced in the coil of wire. generator
Alternating current at 230 V provided to houses, shops, etc. mains electricity
System of overhead and underground cables that carry electricity around the country. National Grid
The number of joules of energy an appliance uses every second. power rating
A machine that is turned by a moving liquid or gas. turbine
The unit for measuring power. watt (W)
A way of saying how much energy something wastes. efficiency
Energy that is not useful. wasted energy
Created by: vahajuddin
 

 



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