Physical and Chemical Properties and Changes
Explore the fundamental concepts of physical and chemical properties and changes with this comprehensive worksheet for Grade 9 Science students.
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Physical and Chemical Properties and Changes
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Read each question carefully and provide your best answer. This worksheet assesses your understanding of physical and chemical properties and changes.
1. Which of the following is an example of a physical property?
Flammability
Reactivity
Density
Corrosiveness
2. Which of the following indicates a chemical change has occurred?
Melting ice
Frying an egg
Cutting paper
Boiling water
3. A physical change alters the form of a substance but not its composition.
4. The ability of a substance to react with another substance is a property.
5. A new substance is formed during a change.
6. Burning wood is an example of a physical change.
True
False
7. The melting point of a substance is a chemical property.
True
False
8. Differentiate between a physical property and a chemical property, providing an example for each.
9. Describe three observable indicators that suggest a chemical change has taken place.
Match each example with the correct type of change.
10. Rusting of iron
a. Physical Change
11. Dissolving sugar in water
b. Chemical Change
12. Tearing a piece of paper