
Electromagnets
Quiz
•
Science
•
5th - 7th Grade
•
Hard

Ashley Roth
Used 2+ times
FREE Resource
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25 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
A hard ferromagnetic material like steel would make a very bad electromagnet because __________.
it is too heavy
its domains would never line up
you couldn't turn it off
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
A metal, such as iron, that can be easily magnetized, but won't stay that way for long is called __________.
soft ferromagnetic
hard ferromagnetic
paramagnetic
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
A wrapped coil that you pass a current through to produce a magnetic field is called a __________.
solenoid
solvent
solar plexus
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
An electromagnet is a metal that __________.
can be permanently magnetized
is only magnetized when it's exposed to an electrical current, and then stops being a magnet when the current is gone
can not be magnetized by an electric current
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Collections of atoms with magnetic fields that all point in the same direction are called __________.
magnetic domains
magnetites
magnetic charges
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Electromagnets are used in __________.
photosynthesis
electric motors
solar panels
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
When electric current is run through a solenoid coil that is wrapped around a chunk of iron, __________.
just the iron becomes magnetized
the whole thing, coil and iron, becomes a powerful magnet
the iron melts
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