Electromagnets 8

Quiz
•
Science
•
8th Grade
•
Medium
+3
Standards-aligned
Lisa Goldsmith
Used 49+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is a solenoid?
A spiral coil of wire
A magnetic core
An electromagnetic field
A temporary magnet
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How is a magnetic field shown?
Field lines with arrows
Compasses pointing north
By repelling magnets
By attracting magnets
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is shown in red?
North seeking pole of a permanent magnet
South seeking pole of a permanent magnet
South seeking pole of a temporary magnet
South seeking pole of a temporary magnet
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The strength of the magnet is shown by ...
field lines close together
field lines far apart
more arrows on field lines
less arrows on field lines
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why is a steel core ineffective in an electromagnet?
It can not be switched off
It stays magnetised after being switched off
It can not be magnetised
It takes a long time to magnetise
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Identify the ways and electromagnets strength can be increased.
Add more turns to the coil
Increase the current
Increase the number of cores
Add more switches into the circuit
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An electromagnet is an example of a permanent magnet.
True
False
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