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WorksheetsChemical vs. Physical Changes CHALLENGE
Total questions: 40
Worksheet time: 30mins
Name
Class
Date
1.
Water freezing into ice is an example of a...
a)
Physical Change
b)
Chemical Change
2.
Which of the following is an example of sublimation?
a)
Dry Ice
b)
Water boiling into steam
c)
Ice cream melting
d)
Water freezing into ice
3.
Any change in the state of matter of a substance is a...
a)
Physical Change
b)
Chemical Change
4.
A solid substance that forms when 2 liquid solutions are combined?
a)
Sublimation
b)
Precipitate
c)
Condensation
d)
Freezing
5.
Chemical or Physical? Glass breaking into tiny shards
a)
Chemical Change
b)
Physical Change
6.
Blue liquid and yellow liquid mixed to make a green liquid
a)
Chemical Change
b)
Physical Change
7.
Melting butter to pour over popcorn is a
a)
Chemical change
b)
Physical change
8.
Water that is heated and changed to steam is a
a)
Physical change
b)
Chemical change
9.
Which action would be a chemical change?
a)
freezing water
b)
tearing paper
c)
cleaning pennies
d)
melting chocolate
10.
Frying an egg is an example of a
a)
Chemical change
b)
Physical change
11.
Cutting an apple into slices is an example of
a)
Physical Change
b)
Chemical Change
12.
A change in temperature observed: baking soda + vinegar
a)
Physical Change
b)
Chemical Change
13.
An ice cube melting from the heat of your hand
a)
Physical Change
b)
Chemical Change
14.
A piece of magnesium metal is cut
a)
Chemical change
b)
Physical Change
15.
Potassium chlorate decomposes to potassium chloride and oxygen gas.
a)
Chemical Change
b)
Physical Change
16.
Evaporation
a)
Chemical Change
b)
Physical Change
17.
Sugar dissolves in water
a)
Chemical Change
b)
Physical Change
18.
Grass growing in a lawn
a)
Chemical Change
b)
Physical Change
19.
A tire is inflated with air.
a)
Chemical Change
b)
Physical Change
20.
Is freezing juice a physical or chemical change?
a)
Physical Change
b)
Chemical Change
21.
A __________ is a mixture that is formed when a solid is dissolved in a liquid.
a)
Chemical compound
b)
Solution
c)
Endothermic reaction
d)
Exothermic reaction
22.
In which of these do particles move slowest?
a)
plasma
b)
gas
c)
liquid
d)
solid
23.
Can a same substance undergo both physical and chemical changes.
a)
True
b)
False
24.
What happens in ALL chemical changes?
a)
Change in state of matter
b)
A new substance is formed
c)
Bubbles are produced
d)
An explosion
25.
Which of the following tells you that a chemical change may have occurred?
a)
Change Shape
b)
Melting
c)
Vaporizing
d)
Change in color
26.
Cutting paper
a)
Chemical Change
b)
Physical Change
27.
Mixing oil and vinegar
a)
Chemical Change
b)
Physical Change
28.
Curling your hair
a)
Chemical Change
b)
Physical Change
29.
Dyeing your hair
a)
Chemical Change
b)
Physical Change
30.
Heating sugar to form caramel
a)
Chemical Change
b)
Physical Change
31.
A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?
a)
Texture
b)
Temperature
c)
Shape
d)
Mass
32.
A change in size, shape or state is a ...
a)
chemical change
b)
physical change
33.
no new substance is formed...
a)
chemical change
b)
physical change
34.
A change in the physical and chemical properties is a...
a)
chemical change
b)
physical change
35.
Two substances are mixed and light is produced.
a)
chemical change
b)
physical change
36.
Flammable
a)
Physical property
b)
Chemical property
37.
Magnetic
a)
Physical property
b)
Chemical property
38.
How likely the atoms or molecules of one substance are to form bonds with the atoms of other substances.
a)
Density
b)
Conductivity
c)
Reactivity
d)
Magnetism
39.
Color is a ___________________ property
a)
Chemical
b)
Physical
40.
These apple slices will turn brown.
a)
Physical Change
b)
Chemical Change
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