Physical and Chemical Properties and Changes
Explore the fundamental concepts of physical and chemical properties and changes with this Grade 8 science worksheet.
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Physical and Chemical Properties and Changes
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Read each question carefully and answer to the best of your ability.
1. Which of the following is a physical property of matter?
Flammability
Reactivity with acid
Density
Ability to rust
2. What type of change occurs when a substance changes its state (e.g., from liquid to gas) but not its chemical composition?
Chemical change
Physical change
Nuclear change
Biological change
3. The ability of a substance to burn is a property.
4. When a new substance is formed, a change has occurred.
5. Melting ice is an example of a change.
6. A chemical change is always reversible.
True
False
7. The color of an object is a chemical property.
True
False
8. List three indicators that a chemical change has occurred.
9. Explain the difference between a physical property and a chemical property.
Match each item on the left with the correct description on the right.
10. Boiling water
a. Chemical property
11. Burning wood
b. Physical change
12. Corrosiveness
c. Chemical change