WorksheetsChemical/Physical Change
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
This occurs when two or more molecules combine to form a new molecule
a)
Physical reaction
b)
Chemical reaction
c)
Pure substance
2.
This does not change the substance into anything new
a)
Physical change
b)
Chemical change
c)
Burning
3.
Iron rusting is a _________ change.
a)
chemical
b)
physical
4.
Tearing paper is a _________ change
a)
chemical
b)
physical
5.
Eggs cooking is a _________ change
a)
chemical
b)
physical
6.
Sugar dissolving is a __________ change.
a)
chemical
b)
physical
7.
Wood burning is a _____________ change.
a)
chemical
b)
physical
8.
Boiling water is a __________ change.
a)
chemical
b)
physical
9.
Unexpected color change is a __________ change.
a)
chemical
b)
physical
10.
Spoiled milk is a ________ change.
a)
chemical
b)
physical
11.
Cooking a hamburger is a ________ change.
a)
chemical
b)
physical
12.
Bleaching hair is a ___________ change
a)
chemical
b)
physical
13.
An instant hot pack is a ______________ change?
a)
chemcial
b)
physical
14.
Melting a crayon is a ______________ change.
a)
chemical
b)
physical
15.
Which of the following is NOT true of a chemical change?
a)
The identity of a substance has changed
b)
The substance has only changed form or appearance
c)
It can be indicated by the presence of bubbles or rust
16.
Asking yourself if new matter was formed is the best way to determine if a __________________ change has occurred.
a)
State of matter
b)
Physical
c)
Chemical
100 %
