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electric current flow of electricity
circuit path made for an electric current
battery common energy source that converts chemical energy to electrical energy
conductor material that an electric current can pass through easily
insulator material that an electric current cannot pass through easily
series circuit circuit with one path for current to take
parallel cicuit circuit with more than one path for current to take
magnetic pole area on a magnet where its magnetic field is strongest
magnetic field space around a magnet where the force of the magnet acts
electromagnet current-carrying coil of wire wrapped around a core
Like poles of a magnet will ________ repel
Wher is a bar magnet's strongest pull? the poles
magnets will attract if the poles are _____ opposites
Electromagnets in motors are used to cause ___ motion
Name three ways to strengthen an electromagnet 1. add coils 2. turn off or on 3. increase or decrease amount of current
How does a compass work? the magnet in the compass is attracted to Earth's magnetic force
magnetism the force of attraction or repulsion from a magnet
To attract means to ___ pull towards
To repel means to ___ push away
generator converts kinetic energy to electrical energy
electric motor converts electrical energy to kinetic energy
turbine wheel or blades that rotate to turn a generator
switch controls the flow of electricity in a circuit
open circuit electricity cannot flow
Created by: lewisch