Analyzing Substances Worksheet
Explore the properties and classification of different substances in this Grade 7 Science worksheet.
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Analyzing Substances Worksheet
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which of the following is a physical property of matter?
Flammability
Reactivity with acid
Density
Ability to rust
2. A substance that cannot be broken down into simpler substances by chemical means is called a/an:
Compound
Mixture
Element
Solution
3. The freezing point of water is a property.
4. A mixture has components that are not uniformly distributed.
5. When a substance undergoes a chemical change, it forms a substance.
6. All mixtures can be separated by physical means.
True
False
7. Distinguish between a homogeneous mixture and a heterogeneous mixture, providing an example for each.
8. Observe the image below showing various laboratory equipment. Identify two pieces of equipment that could be used to separate a mixture of sand and water.
Match each term on the left with its description on the right.
9. Element
a. Two or more elements chemically combined
10. Compound
b. Cannot be broken down into simpler substances
11. Mixture
c. Two or more substances physically combined