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Science Chap 5

Electricity and Magnetism

QuestionAnswer
repel happens to objects with the same charge
attract happens to objects with opposite charges
conductor allows electricity to easily flow through it
insulator does NOT allow electricity to flow through it easily
electricity a form of energy that involves the flow of electrical charges
circuit an unbroken path through which negative charges can flow
current a continuous flow of negative charges through material
series circuit a circuit that connects several objects in on e complete path
parallel circuit a circuit that is more than one path
circuits MUST have 2 things power source and unbroken path
magnet an object that attracts certain metals
magnetism pushing or pulling force caused by a magnet
magnetic field 1. the area around a magnet where the force of a magnet can act 2. caused when a current flows through a circuit
poles ends of a magnet where the magnets magnetism is greatest
static electricity electrical charges that build up on the surface on an object
electromagnet temporary magnet formed when electric current flows through a wire and a magnet
electromagnets are used in microwaves and maglev trains
generator uses a coil of wire and a magnet to produce electricity
Created by: PRO Teacher dsaff