What is the difference between a bar magnet and an electromagnet?
5th Grade_Unit 8: Magnetism

Quiz
•
Science
•
5th Grade
•
Medium
Shanaye Taylor
Used 34+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bar magnets and electromagnets are the same types of magnets.
A bar magnet has same poles that attract. An electromagnet has opposite poles that attract.
A bar magnet is a temporary magnet that can be turned on and off. An electromagnet is a permanent magnet that is always magnetic.
A bar magnet is a permanent magnet that is always magnetic. An electromagnet is a temporary magnet that can be turned on and off.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The opposite sides of a magnet where most of the force occurs (north and south)
Magnet
Electromagnet
Magnetic Poles
Bar Magnet
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A piece of iron that has wire wrapped around it to cause an electric current
Magnet
Magnetic Poles
Bar Magnet
Electromagnet
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is a magnet?
A piece of iron that has wire wrapped around it to cause an electric current
A piece of iron that has a magnetic field
A magnet in the shape of a bar
The opposite sides of a magnet where most of the force occurs (north and south)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A student was working on an experiment trying to create an electromagnet. How could he create one?
He could wrap a copper wire around a nail and attach each end of the wire to a battery.
He could attach a bar magnet to a battery.
He could wrap yarn tightly around a nail and attach it to a battery.
He could wrap a piece of string around a nail and attach it to a battery with the other end of the string.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What happens if you try to connect two bar magnets with like poles facing each other?
The magnets will repel and the magnetic force will push them away from each other.
The magnets will attract and the magnetic force will pull them together.
Bar magnets don't have poles.
Bar magnets are temporary magnets and only attract if turned on.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A crane sometimes uses an electromagnet to lift metal objects. What does a crane operator need to do in order to lift extremely heavy metal objects?
He will continue attaching bar magnets to the crane until he has enough force to lift the materials.
He will apply less of a current to the electromagnet to lift heavier things.
When he is lifting extremely heavy materials, he applies more current to the electromagnet, which will make the magnet stronger and able to lift heavier things.
He will have to get a different crane for the heavier materials that he is lifting.
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