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WorksheetsChapter 12 Test (energy)
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
The loudness of a sound is its ________________
a)
pitch
b)
opaque
c)
volume
d)
circuit
2.
Electricity goes around and around in a ____________
a)
circuit
b)
insulator
c)
degree
d)
reflect
3.
Sound is made when objects _______________
a)
pitch
b)
conductor
c)
vibrate
d)
volume
4.
Windows look bright and shiny because they __________ light
a)
opaque
b)
switch
c)
degree
d)
reflect
5.
You cannot see through _________ materials because they block light
a)
opaque
b)
volume
c)
pitch
6.
How high or low a sound is depends on its _____________
a)
opaque
b)
volume
c)
pitch
d)
circuit
7.
You can close or open an electric circuit using a(n) _______________
a)
insulator
b)
switch
c)
degree
d)
reflect
8.
Heat passes quickly through a (an) _______________
a)
insulator
b)
conductor
c)
circuit
d)
degree
9.
The unit of measurement for temperature is ___________
a)
reflect
b)
degree
c)
insulator
10.
Heat doesn't move quickly through a(n) _____________
a)
insulator
b)
conductor
c)
circuit
d)
switch
11.
What happens when matter loses heat?
a)
particles move faster
b)
particles are added
c)
particles slow down
d)
particles are lost
12.
Walruses have thick layers of fat. Why?
a)
to cool them
b)
to protect them from the Sun
c)
to help them breathe
d)
to keep them warm
13.
How are sound and light alike?
a)
they are forms of electricity
b)
they can travel through walls
c)
they are forms of energy
d)
they travel at the same speeds
14.
What is this a picture of?
a)
open circuit
b)
complete circuit
15.
What is this a picture of?
a)
complete circuit
b)
open circuit
16.
I am an astronaut, floating in my spacesuit in outer space. I see another astronaut, floating in her spacesuit. I want to communicate with her. Which method would be successful?
a)
shine a light in Morse code to represent letters
b)
shout at her
c)
make a loud bang
d)
run over to her
17.
The eardrum send messages to the brain.
a)
true
b)
false
18.
What can you conserve by saving electricity?
a)
aluminum
b)
fossil fuels
c)
trees
d)
batteries
19.
Which of the following is a reason to save energy?
a)
decrease air pollution
b)
save money
c)
reduce use of fossil fuels
d)
all of the above
20.
A prism refracts light
a)
True
b)
False
21.
Name three things that make light
a)
sun, fire, candles
b)
stars, lightning, wood
c)
light bulbs, fire, metal
22.
A sound takes less than a second to travel across a room to your ear
a)
true
b)
false
23.
What must sound travel through to get form the eardrum to the inner ear?
a)
outer ear
b)
middle ear
24.
Tin foil is an example of _______.
a)
a conductor
b)
an insulator
25.
Plastic is an example of _______.
a)
an insulator
b)
a conductor
26.
Wood is an example of ______.
a)
a conductor
b)
an insulator
27.
A _____________ is a source of electricity
a)
cell
b)
volume
c)
circuit
28.
Electricity flowing through a circuit is called ______________
a)
switch
b)
degree
c)
electric current
29.
___________ is a form of energy that makes matter warmer
a)
insulator
b)
circuit
c)
heat
30.
___________ means to bend
a)
reflect
b)
opaque
c)
refract
31.
It is cold outside. You put on a warm jacket. The jacket is a(n) ___________
a)
switch
b)
mixture
c)
insulator
d)
conductor
32.
Heat can travel through_______________
a)
gases
b)
liquids
c)
solids
d)
all of them
33.
Light travels _____________
a)
slowly
b)
around objects
c)
in curvy lines
d)
in straight lines
34.
Objects that vibrate slowly make sounds with ___________________
a)
a low pitch
b)
a high volume
c)
a high pitch
d)
no volume
35.
Heat, light, sound, and electricity are all forms of __________________
a)
motion
b)
energy
c)
work
d)
friction
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