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The electrical property of particles of matter. An electric charge can be positive or negative. |
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electric charge that has built up on the surface of an object |
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the loss or release of electric charge. |
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a continuous flow of electric charges |
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a path along which an electric current can move. |
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a device that completes or breaks the path a current can flow in a electric current. |
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a material through which electricity moves easily. |
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a material though which electricity does not flow through easily. |
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a long coil of wire that glows when electricity flows through it |
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an electric circuit in which all the parts are connected in only a single path. |
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an electric circuit that has more than one path upon which the electric current to flow. |
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a device in a circuit that contains a metal strip that melts when the circuit is overheated, thus breaking the circuit. |
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a switch that opens a circuit by turning itself off |
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How do objects become charged with static electricity? |
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when negative charges build up in a object. |
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What are positive and negative charges? |
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charged particles have an overall positive or negative charge. |
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invented the florescent bulb. |
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has a wire coil of tungsten that glows when electricity passes through it, wastes energy. |
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electric charges bump into mercury gas to give off white light, does not waste energy. |
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parts of an electric circuit |
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energy source, wire, and devices. |
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positive and negative charges |
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only negative charges can move to other materials |
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how do electric charges cause lightning? |
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a build of positive charges on top of a cloud and negative charges at the bottom of a cloud, which causes objects on the ground to be positively charge. when negative charges jump from the cloud to the ground is lightning. |
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what are the main points of lightning safety? |
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do not going in an open field, under a tree or go swimming, because lightning strikes the tallest objectives. |
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homes are wired with multiple parallel circuits. |
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