Electricity and Magnetism Vocabulary Review

Physical Science - Middle School

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Key Vocabulary Terms © Copyright NewPath Learning. All Rights Reserved. 94-4496 Visit www.newpathlearning.com for Online Learning Resources. more resistance thinner wire power (P) = voltage (V) x current (I) power (P) = voltage (V) x current (I) alternating current (AC) a type of electrical current in which the electrical charges in a circuit flow back and forth circuit the pathway that an electric current follows conductor a material in which electrons can easily flow current a continuous flow of electrical charges from one point to another direct current (DC) a type of electrical current in which charges flow in only one direction in a circuit electricity the flow of electrical charge; another name for an electric current electromagnet a coil of wire with an electric current that is wrapped around an iron core + + + electron a negatively charged particle without mass that is found just outside the nucleus of an atom magnet a material that attracts certain kinds of metals such as iron magnetic field the area around the magnet where the magnetic force is located Ohm’s law the law that states that resistance is equal to voltage divided by current power the rate at which work is done or energy is transformed resistance a material’s opposition to the flow of electric current voltage the electrical potential between two points that can result in an electrical current point A nucleus point B wire coils iron core Resistance = Voltage Current Resistance = Voltage Current
Key Vocabulary Terms © Copyright NewPath Learning. All Rights Reserved. 94-4496 Visit www.newpathlearning.com for Online Learning Resources. Mapping a Term Define it! Use it in a sentence! Draw it! Provide examples! ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ Term __________________________________________________________