Electromagnet Review

Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which of the following are magnetic poles?
North and South
East and West
Red and blue
Tags
NGSS.MS-PS2-3
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Where are the field lines most concentrated around a bar magnet?
at both poles
in the middle
at the North pole only
Tags
NGSS.MS-PS2-5
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
In a generator how is the magnetic field created?
Turning the coil through the magnetic field.
The electrical output creates the magnetic field.
Make sure the poles are S facing S.
Plug the generator in.
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What THREE ways are electromagnets different from permanent magnets?
they can be turned off and on
they can increase in strength by increasing the current in the wire
they are smaller in size
they can change which is the north and south pole
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What makes an electromagnet?
A coil of copper wire wrapped around an iron core connected to the battery
A battery
A coil of copper wire
A permanent magnet
Tags
NGSS.MS-ETS1-1
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
How could you make electromagnet stronger?
adding more loops of wire
increasing the current flowing through the wires
increasing the size of the iron core
None of the above
Tags
NGSS.MS-PS2-3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does he turn the electromagnet off?
Touching the wire with his hands
By disconnecting it from the battery
By pulling the screw out of the coils of wire
He used "the force"
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