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4th gr Science L 49

4th grade Science Lesson 49 Study Guide

An object that is able to attract iron magnet
The pushing or pulling force caused by a magnet magnetism
The area around a magnet where the force of a magnet can act magnetic field
A temporary magnet formed when electric current flows through a wire coiled around a metal core electromagnet
Produces electricity by using a coil of wire and a magnet generator
The ends of a magnet are called ____________. poles
Magnets have a __________ pole and a __________ pole. north, south
Magnetism and ___________ are related. electricity
As a ____________ flows through a circuit, it causes a magnetic field. current
Electrical power plants use wind, steam, or __________ to make huge generators work. water
What are two ways magnets can be used to produce electricity? Moving a magnet through a coil of wire and Moving a magnet through magnetic field
Where is a magnet's magnetism the strongest? poles
Name two things that are not attracted to a magnet? Wood and paper
Name two things that use electromagnets. Cd players and computers
Created by: bgpalmers