Worksheetschemical and physical change
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
Evidence of Chemical Change.
a)
New Substance
b)
Size change
c)
State change
d)
Mixture
2.
Fireworks Exploding are a ________ change.
a)
Physical Change
b)
Chemical Change
3.
Hydrochloric acid reacts with potassium hydroxide to produce a salt, water,and heat.
a)
Chemical Change
b)
Physical Change
4.
Evaporation
a)
Chemical Change
b)
Physical Change
5.
Pancakes cooking on a griddle
a)
Chemical Change
b)
Physical Change
6.
Is freezing juice a physical or chemical change?
a)
Physical Change
b)
Chemical Change
7.
Which is a way that a piece of paper can go through a chemical change?
a)
fold the paper in half
b)
soak the paper in water
c)
burn the paper with fire
d)
cut the paper with scissors
8.
Which example best describes a physical change?
a)
iron rusting
b)
charcoal burning
c)
an ice cube melting
d)
a marshmallow burning
9.
When you break a cracker into pieces it is a
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
10.
What is a chemical change?
a)
Forming a new substance
b)
When two or more substances combine to make a greater one
c)
When two or more substances combine to make a new chemical substance
d)
Combing substances
11.
A change that alters the physical properties of a substance without changing its composition.
a)
Physical Change
b)
Chemical Change
12.
Physical or Chemical Change? Iron rusts
a)
Physical Change
b)
Chemical Change
13.
Physical or Chemical Change? Cutting an orange into wedges.
a)
Physical Change
b)
Chemical Change
14.
A physical change...
a)
changes the physical properties of an object, but does not create a new substance.
b)
creates a new substance and cannot be undone.
15.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
16.
A change in phase ...
a)
Chemical Change
b)
Physical Change
17.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
18.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
19.
Change in color, production of light, production of heat, and production of a gas are clues that a ___ change has occurred.
a)
chemical change
b)
physical change
c)
change in state of matter
20.
What change does not change the substance?
a)
Chemical change
b)
Physical change
100 %
