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Yr 9 Physics
| Term | Definition |
|---|---|
| static electricity | A buildup of charges on an object. |
| electric current | The continuous flow of electric charges through a material. |
| battery | A combination of two or more electrochemical cells in series. |
| circuit | Includes a power source |
| electrical cell | A single electro-chemical energy source. |
| ammeter | measures the current flow (of electrons) |
| voltmeter | device used to measure voltage |
| resistor | An electrical device that resists the flow of electrical current (eg light bulb) |
| switch | A device to open or close a circuit - controls the flow of electrons |
| electrical charge | a fundamental property of matter that can be either positive or negative. |
| electrode | A metal strip that conducts electricity |
| cathode | Negative electrode |
| anode | Positive electrode |