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WorksheetsElectromagnets, Electric Motors, & Generators Oh My!
Total questions: 9
Worksheet time: 6mins
Name
Class
Date
1.
What is formed when a wire in an electric circuit is wrapped around an iron core producing a magnetic field?
a)
electromagnet
b)
generator
c)
magnet
d)
electric motor
2.
What is the device seen here?
a)
generator
b)
electric motor
c)
electromagnet
d)
magnet
3.
Generators are devices that convert _____ energy into _____ energy.
a)
chemical; mechanical
b)
mechanical; electrical
c)
electrical; mechanical
d)
potential; kinetic
4.
Electric motors are devices that convert _____ energy into _____ energy.
a)
electrical; mechanical
b)
mechanical; electrical
c)
chemical; potential
d)
mechanical; kinetic
5.
When plugged into an outlet, the clock lights up to show the time. What kind of energy transformation is this?
a)
chemical to light
b)
mechanical to chemical
c)
electrical to mechanical
d)
electrical to light
6.
What type of energy transformation occurs in a toaster?
a)
chemical to electrical
b)
electrical to heat
c)
sound to chemical
d)
electrical to solar
7.
When John plugs in a toy and turns it on, a marble is carried up to the top of a slide. At the top, a marble is released and it goes down a slide. What kind of energy transformation occurs to make this toy work?
a)
chemical to heat
b)
electrical to chemical
c)
sound to electrical
d)
electrical to mechanical
8.
What must happen for an action to be considered work?
a)
force applied & energy created
b)
force applied & distance moved
c)
force applied & matter destroyed
d)
force applied & mass increased
9.
When a force moves an object, the action is called ______.
a)
energy
b)
work
c)
force
d)
circuit
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