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WorksheetsUnit 6 Day 4 Opener
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Both magnets and electromagnets have a N and S pole.
a)
True
b)
False
2.
Both magnets and electromagnets need electric current to create a magnetic field.
a)
True
b)
False
3.
Electrical current in a wire will produce a magnetic field.
a)
True, dude.
b)
Totally false, fool.
4.
Both magnets and electromagnets can turn off.
a)
True
b)
False
5.
Copper is a magnetic material.
a)
Always true.
b)
Sometimes true.
c)
Never true.
6.
Magnetic field lines always point...
a)
...from N to S.
b)
...from S to N.
c)
...from N to N.
d)
...from S to S.
7.
Which subatomic particle is the cause of magnetism?
a)
Protons
b)
Neutrons
c)
Electrons
d)
Megatrons
8.
What happens to electrons when they're causing magnetism?
a)
They move in a wire.
b)
They form bonds with other atoms.
c)
They are swimming in the ocean, like the fish in Finding Nemo.
d)
They are lined up and working together.
9.
When something is moving, what kind of energy does it have?
a)
Gravitational potential energy.
b)
Elastic potential energy.
c)
Thermal energy.
d)
Mechanical energy.
10.
Which kind of energy is it if there's electrical current flowing in a wire?
a)
Sound energy.
b)
Light energy.
c)
Electrical energy.
d)
Proton energy.
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