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by
Mrs. Hudacko
Vocab 1
Vocab 2
True or
False
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What is a magnet?
Any object with magnetic force
Row 1, Col 1
What is the poles?
Where the force of a magnet
is strongest
1,2
What is true?
The Earth is a giant magnet
1,3
What is the one on the right?
Which picture shows the particles
in a permanent magnet?
1,4
What is a generator?
A device that changes motion
into electrical energy
2,1
What is magnetic field?
The area of force around
a magnet
2,2
What is true?
The poles of a magnet have the
strongest attraction when they
are unlike and close together
2,3
What is false?
True or False?
Electrical energy that can be
sent long distances to a home
or a business is direct current.
2,4
What is an electromagnet?
A coil of wire wrapped around
an iron core can act as this
3,1
What is a direct current?
Electric current that always
flows in one direction
3,2
What is true?
The most powerful
electromagnet has more turns
of wire and more current
What is true?
True or false?
A compass needle is a thin
magnet.
3,4
What is a microphone?
A magnet is used to convert sound
into electrical signals
4,1
What is an alternating current?
Electric current that flows in
one direction and then in the
opposite direction.
4,2
What is false?
Electromagnets are found in
electric motors, speakers,
generators, and compasses
4,3
What is mechanical and electrical?
In this picture, _________ energy is
being turned into _________ energy.
Type the answ
4,4
What is a loudspeaker?
A device that changes electrical
energy into sound
5,1
What is a motor?
A device that changes
energy into mechanical energy
5,2
What is false?
If you heat or cool an
electromagnet, you can control
it.
5,3
What is an electromagnet?
Name this object in a
doorbell.
5,4