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WorksheetsChemical Vs Physical Changes
Total questions: 46
Worksheet time: 27mins
Name
Class
Date
1.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
2.
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
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.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
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.
Adding baking soda and vinegar together and it fizzes and creates carbon dioxide.
a)
Chemical
b)
Physical
10.
When you break a cracker into pieces it is a
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
11.
Which is a physical change?
a)
burning match
b)
vinegar in baking soda
c)
melting butter
d)
cooking an egg
12.
What is an example of a Chemical change?
a)
Ripped paper
b)
boiled egg
c)
cracked egg
d)
sugar in water
13.
Madison asked Ava what she could do to an egg for a chemical change. Ava 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.
14.
Liv lit a match and said it was a physical change. Is she correct?
a)
Yes
b)
No
c)
I dunno...
d)
...
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 burning, chemical or physical change?
a)
Physical change
b)
Chemical change
18.
Is digesting your food a physical or chemical change?
a)
Physical
b)
Chemical
19.
Is water melting a physical or chemical change?
a)
Physical
b)
Chemical
20.
Is melting iron a physical or chemical change?
a)
Physical
b)
Chemical
21.
Is sour milk a physical or chemical change?
a)
Physical
b)
Chemical
22.
Is steam a physical or chemical change?
a)
Physical
b)
Chemical
23.
Are hard boiled eggs a physical or chemical change?
a)
Physical
b)
Chemical
24.
Is melting butter a physical or chemical change?
a)
Physical
b)
Chemical
25.
Is adding sugar to your coffee a physical or chemical change?
a)
Physical
b)
Chemical
26.
When things burn this is a chemical reaction called COMBUSTION. What does every combustion reaction require?
a)
Hydrogen
b)
Carbon dioxide
c)
Oxygen
d)
Water
27.
Is getting sick with a fever a physical or chemical change?
a)
Physical
b)
Chemical
28.
When baking soda and vinegar mix it creates a bubbly mess. Is this a chemical or physical change?
a)
Physical
b)
Chemical
29.
If a new substance is formed would this be a physical or chemical change?
a)
Physical
b)
Chemical
30.
If liquid nitrogen is brought to a boil, is this a physical or chemical change?
a)
Physical
b)
Chemical
31.
fireworks
a)
physical
b)
chemical
32.
rust on a nail
a)
physical
b)
chemical
33.
Tearing paper
a)
physical
b)
chemical
34.
slicing a pizza
a)
physical
b)
chemical
35.
breaking glass
a)
physical
b)
chemical
36.
burning paper
a)
physical
b)
chemical
37.
coloring a picture
a)
physical
b)
chemical
38.
baking a cake
a)
physical
b)
chemical
39.
boiling water
a)
physical
b)
chemical
40.
folding paper
a)
physical
b)
chemical
41.
dissolving sugar into water
a)
physical
b)
chenical
42.
mowing the lawn
a)
physical
b)
chemical
43.
roasting a marshmallow
a)
physical
b)
chemical
44.
Which of the following are evidence of chemical reactions?
a)
gas produced
b)
precipitate
c)
color change
d)
temperature change
e)
all of them are evidence of chemical reactions
45.
True or False: A temperature change is evidence of a physical change
a)
True
b)
False
46.
True or False: A change in state of matter (solid, liquid, gas) is evidence of a chemical change
a)
True
b)
False
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