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9 Electricity
Energy and electricity keywords
| Term | Definition |
|---|---|
| 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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