WorksheetsEnergy transformation
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
If a Lion ate a gazelle what kind of energy is being transferred?
a)
Mechanical
b)
Chemical
c)
Electrical
d)
Thermal
2.
What is the best example of a machine that converts electrical energy into kinetic energy and sound energy?
a)
an electric toothbrush
b)
a toaster
c)
a flashlight
d)
an iron
3.
What best describes the energy conversion that occurs when you turn on a hair dryer?
a)
electric to kinetic to thermal and sound
b)
chemical to thermal to light and sound
c)
nuclear to electrical to thermal and sound
d)
kinetic to light to thermal and sound
4.
What best describes the energy conversion that takes place in a microwave oven?
a)
electrical to light to thermal
b)
chemical to thermal to light
c)
electrical to thermal to sound
d)
nuclear to thermal to chemical
5.
Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?
a)
radiant
b)
light
c)
heat
d)
chemical
6.
What kind of energy transformation takes place in this system?
a)
chemical to electrical to light
b)
electrical to chemical to light
c)
electrical to light to chemical
d)
light to chemical to electrical
7.
Which is an example of radiant energy to thermal energy transformation?
a)
a greenhouse
b)
an electric stovetop
c)
an electric stove
d)
a car's brakes
8.
What two forms of energy are given off by a burning candle?
a)
heat and light
b)
mechanical and electrical
c)
nuclear and light
d)
potential and heat
9.
Which of the following radiant energy to electrical energy?
a)
solar calculator
b)
windmill
c)
glow stick
d)
firecracker
10.
Which of the following mechanical energy to electrical energy?
a)
solar calculator
b)
windmill
c)
glow stick
d)
firecracker
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