4. Energy and Electricity- Cells and batteries
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13 Terms
Cell
A small container that stores chemical energy
Battery
A device made up of two or more cells that stores energy
Electrical circuit
A path that electricity flows through
Switch
A device that controls the flow of electricity in a circuit
Positive terminal
The end of a battery marked with a plus sign
Negative terminal
The end of a battery marked with a minus sign
Wire
A thin metal cord that carries electricity
Light bulb
A device that produces light when electricity flows through it
Chemical energy
Energy stored in the materials of a cell or battery
Flat battery
A battery that has used up all its stored energy
Energy transfer
The movement of energy from one place to another
Torch
A portable light powered by batteries
Electrical energy
Energy carried by moving electric charges
Note 
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