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WorksheetsPhysical and Chemical Changes
Total questions: 67
Worksheet time: 55mins
Name
Class
Date
1.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
2.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
3.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
4.
Is bleaching your hair a physical or chemical change?
a)
physical
b)
chemical
5.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
6.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
7.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
8.
Kim puts an ice cube in a beaker and it melts. This is a good example of:
a)
a physical change.
b)
a chemical change.
c)
an experiment.
d)
an analysis.
9.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
10.
When you break a cracker into pieces it is a
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
11.
Adding baking soda and vinegar together and it fizzes and creates carbon dioxide.
a)
Chemical
b)
Physical
12.
What is an example of a Chemical change?
a)
Ripped paper
b)
boiled egg
c)
cracked egg
d)
sugar in water
13.
Which is a physical change?
a)
burning match
b)
vinegar in baking soda
c)
melting butter
d)
cooking an egg
14.
Jayden asked Gabe what she could do to an egg for a chemical change. Gabe answered correctly and said...
a)
You can drop the egg.
b)
You can cook the egg.
c)
You can crack the egg.
d)
You can paint the egg.
15.
Which is a chemical change?
a)
freezing fruit juice
b)
slicing a potato
c)
boiling water
d)
copper metal turning green
16.
Which of the following does the discoloration of a coin describe?
a)
Chemical Change
b)
Physical Change
c)
None of the above
d)
Both
17.
what is the definition of chemical change?
a)
any change that results in the formation of new chemical substances.
b)
changing clothes
c)
matter cannot be created or destroyed, only change form
d)
changes affecting the form of a chemical substance, but not its chemical composition.
18.
One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?
a)
evaporation; chemical change
b)
condensation; physical change
c)
evaporation; physical change
d)
condensation; chemical change
19.
your bicycle rusting
a)
Physical
b)
Chemical
20.
Glass Breaking
a)
Physical
b)
Chemical
21.
separating a mixture
a)
Physical
b)
Chemical
22.
rotting tomatoes
a)
Physical
b)
Chemical
23.
making koolaid
a)
Physical
b)
Chemical
24.
cutting your hair
a)
Physical
b)
Chemical
25.
fireworks exploding
a)
Physical
b)
Chemical
26.
baking a cake
a)
Physical
b)
Chemical
27.
burning dinner
a)
Physical
b)
Chemical
28.
freezing leftovers
a)
Physical
b)
Chemical
29.
a plant turning sunlight into energy
a)
Physical
b)
Chemical
30.
crushing a can of soda
a)
Physical
b)
Chemical
31.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
32.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
33.
When you break a cracker into pieces it is a
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
34.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
35.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
36.
Using dye to change the color of a shirt green.
a)
Chemical Change
b)
Physical Change
37.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
38.
The smell your dog makes after eating to much people food.
a)
Chemical Change
b)
Physical Change
39.
Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.
a)
Chemical Change
b)
Physical Change
40.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
41.
frying an egg
a)
physical change
b)
chemical change
48.
a)
physical change
b)
chemical change
43.
melting ice cream
a)
physical change
b)
chemical change
44.
glass breaking
a)
physical change
b)
chemical change
45.
a rusting bicycle
a)
physical change
b)
chemical change
46.
mowing the lawn
a)
physical change
b)
chemical change
47.
fireworks exploding
a)
physical change
b)
chemical change
48.
a)
physical change
b)
chemical change
49.
freezing chocolate covered bananas
a)
physical change
b)
chemical change
50.
corroding metal
a)
physical change
b)
chemical change
51.
The melting of wax is an example of a
a)
chemical change
b)
physical change
52.
Blue liquid and yellow liquid mixed to make a green liquid
a)
Chemical Change
b)
Physical Change
53.
Baking soda and vinegar combine to make carbon dioxide
a)
Chemical Change
b)
Physical Change
54.
A ___________ change leads to the formation of a new substance.
a)
Physical
b)
Chemical
55.
A _________ change does not lead to the change of the chemical composition of a substance.
a)
Physical
b)
Chemical
56.
Mixing a smoothie with fruit juice
a)
Physical Change
b)
Chemical Change
57.
Any change that alters the form or appearance of a substance but does not change it into another substance, is called __.
a)
physical change
b)
chemical change
c)
endothermic change
d)
exothermic change
58.
Leaves turning color in the fall is an example of __.
a)
chemical change
b)
physical change
59.
A change in matter that produces one or more new substances is called __.
a)
physical change
b)
chemical change
c)
endothermic change
d)
exothermic change
60.
A solid that forms from liquids during a chemical reaction is called __.
a)
physical change
b)
chemical change
c)
gases
d)
precipitate
61.
Is milk going sour a physical or chemical change?
a)
Physical
b)
Chemical
62.
Is gatorade powder dissolving in water physical or chemical change?
a)
Physical
b)
Chemical
63.
Is mold growing on cheese a physical or chemical change?
a)
Physical
b)
Chemical
64.
Is making orange juice a physical or chemical change?
a)
Physical
b)
Chemical
65.
Is sharpening a pencil a physical or chemical change?
a)
Physical
b)
Chemical
66.
Is copper tarnishing a physical or chemical change?
a)
Physical
b)
Chemical
67.
The Law of Conservation of Mass tells us matter can't ______________.
a)
change color
b)
change state of matter
c)
be created or destroyed
d)
change temperature
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