WorksheetsPhysical and Chemical Changes
Total questions: 30
Worksheet time: 19mins
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.
What is an example of a Chemical change?
a)
Ripped paper
b)
boiled egg
c)
cracked egg
d)
sugar in water
9.
Which is a physical change?
a)
burning match
b)
vinegar in baking soda
c)
melting butter
d)
cooking an egg
10.
Liv lit a match and said it was a physical change. Is she correct?
a)
Yes
b)
No
c)
I dunno...
d)
...
11.
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.
12.
What characteristic defines all chemical changes?
a)
There is a change of state.
b)
Electricity is produced.
c)
A new material is formed.
d)
Bubbles are produced.
13.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
14.
When you break a cracker into pieces it is a
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
15.
Which of the following does the discoloration of a coin describe?
a)
Chemical Change
b)
Physical Change
c)
None of the above
d)
Both
16.
Which is a chemical change?
a)
freezing fruit juice
b)
slicing a potato
c)
boiling water
d)
copper metal turning green
17.
Is "mold growing on cheese" a chemical or physical change?
a)
Chemical change
b)
Physical change
18.
Is "sugar dissolves in water" a chemical or physical change?
a)
Chemical change
b)
Physical change
19.
Is burning leaves a physical or chemical change?
a)
chemical
b)
physical
20.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
21.
An instant ice pack getting cold when the chemicals are able to touch.
a)
Chemical Change
b)
Physical Change
22.
corroding metal
a)
physical change
b)
chemical change
23.
freezing chocolate covered bananas
a)
physical change
b)
chemical change
24.
melting ice cream
a)
physical change
b)
chemical change
25.
frying an egg
a)
physical change
b)
chemical change
26.
fireworks exploding
a)
physical change
b)
chemical change
27.
mowing the lawn
a)
physical change
b)
chemical change
28.
a rusting bicycle
a)
physical change
b)
chemical change
29.
glass breaking
a)
physical change
b)
chemical change
30.
separating sand and gravel
a)
physical change
b)
chemical change
100 %
