NEW
Font size
S
M
L
XL
WorksheetsPhysical and Chemical Changes
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
Bubbling is an example of a ________ change.
a)
Physical
b)
Chemical
2.
Ice melting is an example of a ___________ change.
a)
Physical
b)
Chemical
3.
Glass breaking is an example of a __________ change.
a)
Physical
b)
Chemical
4.
Changing color is a sign of a _________ change.
a)
Physical
b)
Chemical
5.
Burning is a sign of a __________ change.
a)
Physical
b)
Chemical
6.
Boiling is an example of a __________ change.
a)
Physical
b)
Chemical
7.
What is the energy transformation of a flashlight?
a)
Chemical -> Electrical -> Light
b)
Electrical -> Chemical -> Light
c)
Mechanical -> Light
d)
Light -> Chemical
8.
At which point does the roller coaster have the greatest amount of potential energy?
a)
W
b)
X
c)
Y
d)
Z
9.
At which point does the roller coaster have the greatest kinetic energy?
a)
W
b)
X
c)
Y
d)
Z
10.
The Law of Conservation of Energy states that energy can neither be _______ nor _______, only ___________ or __________.
a)
created, destroyed; transformed, transferred
b)
transformed, transferred; created, destroyed
c)
transformed, created; potential, kinetic
d)
changed, destroyed; created, transformed
11.
Amino acids are made up of which of the following elements:
a)
C, H, N, O, S
b)
C, H, O
c)
N, S, He, C
d)
C, O, S, Cs
Reset
