Compounds and Mixtures
Explore the fundamental differences between compounds and mixtures, including their properties, formation, and methods of separation, for Grade 8 science students.
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Compounds and Mixtures Worksheet
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Read each question carefully and answer to the best of your ability. This worksheet covers topics related to compounds and mixtures.
1. Which of the following is a pure substance?
Saltwater
Air
Gold
Sand and water
2. A substance formed when two or more elements are chemically combined is called a:
Mixture
Compound
Element
Solution
1. Mixtures can be separated by physical means.
True
False
2. Water (H2O) is an example of a mixture.
True
False
1. A is a substance made up of two or more elements chemically combined in a fixed ratio.
2. When components of a mixture are evenly distributed, it is called a mixture.
1. Explain the difference between a homogeneous mixture and a heterogeneous mixture, and provide an example of each.
2. Describe one physical method that can be used to separate a mixture, and give an example of a mixture it could separate.
Match each term with its correct definition.
1. Compound
a. Two or more substances physically combined
2. Mixture
b. A pure substance made of one type of atom
3. Element
c. Two or more elements chemically combined
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