conductor  - A substance that heat or electricity can pass through or along , generator  - It produces electricity. , electromagnet  - A magnet that consists of a piece of iron or steel surrounded by a coil. The metal becomes magnetic when an electric current is passed through the coil, circuit  - A complete route which an electric current can flow around, static electricity   - It collects on the surface of something and does not flow as a current and can cause a mild shock if you touch it. , insulator  - A material that insulates something., convection - movement in a gas or liquid in which the warmer parts move up and the colder parts move down, conduction  - the movement of heat or electricity through something (such as metal or water), potential  - a quality that something has that can be developed to make it better, energy  - the physical or mental strength that allows you to do things,

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