Review Motors, Generators, & Resources
Authored by Dean Gosse
Science
8th Grade
NGSS covered
Used 44+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A generator is
a device that spins when exposed to wind
a device that conducts electrical current through a wire
a device that converts mechanical motion into electricity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When an electric current runs through a wire, a magnetic field is induced
under the wire
above the wire
around the wire
through the wire
Tags
NGSS.MS-PS2-5
NGSS.MS-PS2-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which appliance is most likely to use an electromagnetic motor in it?
refrigerator
blender
doorbell
Tags
NGSS.MS-PS2-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How long does it take for fossil fuels to form?
Hundreds of years
Thousands of years
Millions of years
Can vary depending on soil and rock formations
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The first energy change in an electric motor occurs when a battery's chemical energy becomes ___________ energy.
electromagnetic
kinetic
electrical
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When using the electric motor, how do you know if it is working?
The light goes on.
The shaft rotates.
The motor gets hot.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are the brushes located in an electric motor?
in the electromagnet
in the cap
in the casing
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