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ENERGY - lesson 2

Magnet, electricity, circuit, electromagnet

QuestionAnswer
The appliances in your home contain ___________. magnet
One property of a magnet is that it __________ . attract
Attraction of a magnet means to exert force that __________ other magnets toward them. pulls
Another property of magnets is that they can _________. repel
Repulsion means to exert force that __________ other magnets away from them. pushes
This theory says that ___________ results from the motion of electrons. magnetism
This produces a tiny magnetic field spinning of electrons
When atoms do have magnetic fileds, the atoms cluster together in groups called ________. domains
The domains in a magnet are aligned in a/the ____________ direction. same
the domains in an unmagnetized iron are in ________ arrangement. random
The strength of a magentic field ________ as the distance from the magnet ______________. decreases, increases
The magnetic field is strongest at the _______. poles
Every magnet has ______ poles. two
The _________seeking pole of one magnet is attracted to the ___________seeking pole of another magnet. north, south
Alike poles attract and unlike poles ___________. repel
What does repel mean? to push away
What is current electricity? electric charge flow
What source of energy do hydroelectric plants use? water
A magnet that is run by electricity and that can be turned on and off electromagnet
What produces the electric current in the hydroelectric plant? rotation of coils in very strong magnetic fields
Created by: SONIAGODOY
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