wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Physical & Chemical Changes

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

Is melting butter for popcorn a chemical or physical change?

a)

chemical

b)

physical

2.

Freezing juice is a

a)

Chemical Change

b)

Physical Change

3.

Exploding fireworks is a

a)

Physical Change

b)

Chemical Change

c)

Katy Perry Song

4.

Which of the following is NOT an example of a physical change?

a)

crumpling paper

b)

sharpening a pencil

c)

clothes shrinking

d)

sour milk

5.
Which is an example of a chemical reaction?
a)
paper cut into small pieces
b)
chocolate melting in a pan
c)
flour and sugar mixed in a bowl
d)
cookies baking in an oven
6.

A ______ change occurs when one or more substances change into entirely new substances.

a)

physical

b)

chemical

7.

A change in the state of matter is a __________ change.

a)

physical

b)

chemical

8.

Filling an ice cube tray with water that freezes and forms ice cubes is a _______ change.

a)

physical

b)

chemical

9.

Boiling water is an example of a _____ change.

a)

physical

b)

chemical

10.

Dissolving sugar in water is an example of a ____ change.

a)

physical

b)

chemical

11.

Occurs when two or more molecules interact forming new molecules.

a)

Chemical Change

b)

Physical Change

12.

Check all chemical changes.

a)

Tearing paper

b)

A silver teapot tarnishing over time

c)

Food digesting

d)

Water boiling

13.

Check all that are a physical change.

a)

Tearing paper

b)

Sugar dissolving

c)

Water boiling

d)

Food digesting

14.

In a physical change, a new substance is formed.

a)

True

b)

False

15.
Which of the following atomic symbols is written correctly?
a)
ee
b)
hE
c)
C
d)
CL
16.
Which of the following chemical formulas represents a compound? 
a)
C3
b)
O2
c)
CH3CHO
d)
H2
17.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
d)

Has more than one atom bonded together.

18.
What is the tiniest particle in the entire universe?
a)
cells
b)
gases
c)
atoms
d)
liquids
19.
Are these molecules also compounds?
a)
YES
b)
NO
20.
Are these molecules also compounds?
a)
YES
b)
NO