Chemical vs. Physical Changes
Passage
•
Science
•
7th Grade
•
Practice Problem
•
Medium
Niquanna Mangham
Used 132+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
What is a characteristic of a physical change?
It is reversible.
It forms new substances.
It involves breaking chemical bonds.
It produces a precipitate.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a physical change?
Melting ice into water.
Burning wood into ashes.
Rusting of iron.
Rotting food.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the chemical structure of water during a phase change?
It remains the same.
It forms new molecules.
It breaks chemical bonds.
It rearranges atoms.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required for a chemical change to occur?
Breaking and forming of chemical bonds.
Change in texture.
Change in shape.
Change in state of matter.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following indicates a chemical reaction has occurred?
Change in color.
Change in texture.
Change in shape.
Change in state.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an example of a chemical reaction that absorbs heat energy?
A chemical cold pack.
Burning wood.
Melting ice.
Rusting of iron.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an example of a color change signaling a chemical reaction?
Iron reacting with oxygen to produce rust.
Melting ice into water.
Heating metal until it glows.
Sanding wood to smooth its surface.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
