Hosted by Mrs. Jansen 100 200 400 300 400 Vocab 1Vocab 2 True or False Random 300 200 400 200 100...

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Hosted

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Mrs. Jansen

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Vocab 1 Vocab 2 True or False

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Row 1, Col 1

Any object with magnetic force

What is a magnet?

1,2

Where the force of a magnetis strongest

What is the poles?

1,3

The Earth is a giant magnet

What is true?

1,4

What is the one on the right?

Which picture shows the particles in a permanent magnet?

2,1

A device that changes motioninto electrical energy

What is a generator?

2,2

The area of force around a magnet

What is magnetic field?

2,3

The poles of a magnet have thestrongest attraction when theyare unlike and close together

What is true?

2,4

True or False?Electrical energy that can be sent long distances to a home

or a business is direct current.

What is false?

3,1

A coil of wire wrapped aroundan iron core can act as this

What is an electromagnet?

3,2

Electric current that always flows in one direction

What is a direct current?

The most powerfulelectromagnet has more turns

of wire and more current

What is true?

3,4

True or false?A compass needle is a thin

magnet.

What is true?

4,1

A magnet is used to convert sound into electrical signals

What is a microphone?

4,2

Electric current that flows in one direction and then in the

opposite direction.

What is an alternating current?

4,3

Electromagnets are found in electric motors, speakers, generators, and compasses

What is false?

4,4

Type the answ

What is mechanical and electrical?

In this picture, _________ energy is being turned into _________ energy.

5,1

A device that changes electricalenergy into sound

What is a loudspeaker?

5,2

A device that changes energy into mechanical energy

What is a motor?

5,3

If you heat or cool an electromagnet, you can control

it.

What is false?

5,4

What is an electromagnet?

Name this object in a doorbell.

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