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### 17 Cards in this Set

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 Static Electricity the build up of an electric charge on a material Parallel Circuit a circuit in which each object is conected to the cell separately. Circuit a complete path through which electricity can flow Insulator a material through which heat or electricity does flow easily Current electricity a moving electrical charge Electromagnet a temporary magnet created when current flows through wire wrapped in coils around an iron bar Magnetic field a region of magnetic force around a magnet Series Circuit a circuit in which objects are connected in a single path Discharge the sudden movement of an electric charge from the object where it built up onto another nearby object Poles one of two ends of a magnet where a magnets pull is strongest Two types of circuits Series circuit Parallel circuit Conductors a material through which heat or electricity flows easily AC alternating current current that flows in a circuit, first in one direction, then in the opposite direction DC direct current current that flows in one direction through a circuit lightning a discharge of static electricity from a thundercloud transformer a place electricity reaches when traveling by wire to either increase or decrease the voltage. How does lightning form? Inside a thundercloud lightweight positive ice particles rub together at the top of the cloud. Heavy negative water particles settle at the bottom of the cloud and keeps building. Soon the buildup is so much that charges jump between the cloud and the ground as a discharge. A giant spark of lightning results.