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WorksheetsChemical or Physical Change Level 2
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
2.
Dissolving sugar in water is an example of a
a)
physical change
b)
chemical change
3.
Cutting a log in to small pieces is a chemical change.
a)
true
b)
false
4.
Which is a physical change?
a)
melting ice
b)
burning wood
c)
rotting food
d)
rusting iron
5.
Which is a chemical change?
a)
freezing fruit juice
b)
slicing a potato
c)
boiling water
d)
copper metal turning green
6.
Which word does NOT describe a chemical change?
a)
Precipitate
b)
Bubbles, production of gas
c)
Color change
d)
Evaporate
7.
Which of the following describes a precipitant?
a)
a liquid forms when a block of metal is heated
b)
a solid forms when one liquid is poured into another
c)
a gas forms when a solid is placed in a liquid
d)
bubbles form when an acid is poured on a rock
8.
Dissolve
Is this a chemical or physical change?
Is this a chemical or physical change?
a)
Physical change
b)
Chemical change
9.
Which word does NOT describe a physical change?
a)
Color change
b)
Evaporate
c)
Grind, chew, masticate
d)
Break
10.
A clear liquid is poured into an Erlenmeyer flask that contains a second clear liquid. As the two chemicals meet a solid is formed, that is yellow in color? What are the signs that help you to identify the type of change?
a)
Precipitate and change in color, Physical Change.
b)
Color change, Physical Change
c)
There are two liquids, Chemical change.
d)
and made a new substance (percipitant and change in color, Chemical Change.
11.
Color Change
Gas bubble
Light
Temperature change
Odor or Oxidation
Percipitant
Which sign of chemical change is missing from the listing?
Gas bubble
Light
Temperature change
Odor or Oxidation
Percipitant
Which sign of chemical change is missing from the listing?
a)
Shatter
b)
Evaporation
c)
Sublime
d)
Make a new substance
12.
Which word below is a chemical change?
a)
Swallow
b)
Chew/masticate
c)
Digestion
d)
Tear
13.
Which word below is NOT a physical change?
a)
Swallow
b)
Chew/masticate
c)
Digestion
d)
Tear
14.
A mad scientist was experimenting in his lab. He bad mixing chemicals together and a new substance was formed?
What type of change occurred?
What type of change occurred?
a)
Physical Change
b)
Chemical Change
15.
Two guys were trying out one of Science Bob's at home experiments. The instructions said to dissolve a substance in water. What type of change occurred?
a)
Chemical change, because they mixed two substances.
b)
Physical change, because the substance dissolved.
c)
Chemical change, because the substance dissolved.
d)
Physical change, because they made a new substance.
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