Transcript Jeopardy - Pleasant Valley School District
Hosted by Mrs. Jansen
Vocab 1
Vocab 2
True or False
Random
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