REDO: Electromagnetism
Authored by Kari Lehman
Science
8th Grade
NGSS covered
Used 4+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when an electric current flows through a wire?
The wire begins to spin.
Nothing happens.
A field of gravity is created around the wire.
A magnetic field is created around the wire.
Tags
NGSS.3-PS2-3
NGSS.4-PS3-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does this image show?
Parallel circuit
Series circuit
Magnet
Electromagnet
Tags
NGSS.3-PS2-4
NGSS.4-PS3-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The area of magnetic force around a magnet is known as its ____________.
magnetism
magnetic current
magnetic field
electric current
Tags
NGSS.3-PS2-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Increasing the number of coils in an electromagnet will _________ the power of the magnet.
decrease
increase
not affect
Tags
NGSS.3-PS2-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of core is best for electromagnets?
Steel
Iron
Plastic
Copper
Tags
NGSS.3-PS2-4
NGSS.5-PS1-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What conclusion can you draw from this graph?
As current increases, magnetic strength decreases.
As current increases, magnetic strength increases.
As current decreases, magnetic strength increases.
There is no relationship between current and magnetic strength.
Tags
NGSS.3-PS2-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A current is produced when _______________ flow in a circuit.
protons
neutrons
electrons
nucleons
Tags
NGSS.HS-PS2-5
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