Mixtures and Pure Substances
Explore the differences between mixtures and pure substances, including solutions, suspensions, and colloids, with this Grade 5 science worksheet.
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Mixtures and Pure Substances
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of mixtures and pure substances.
1. Which of the following is a pure substance?
Saltwater
Air
Gold
Salad
2. What type of mixture is orange juice with pulp?
Solution
Suspension
Colloid
Pure substance
3. A pure substance is made of only one kind of .
4. When two or more substances are combined but keep their own properties, they form a .
5. In a , one substance dissolves completely into another.
6. All mixtures can be easily separated.
True
False
7. Pure water is a pure substance.
True
False
Match each term with its definition.
8. Solution
a. A mixture where particles are small and evenly spread, like sugar water.
9. Suspension
b. A mixture where particles are large enough to settle out, like muddy water.
10. Colloid
c. A mixture with medium-sized particles that do not settle, like milk.
11. Describe one way you could separate a mixture of sand and water.
12. Give an example of a pure substance and explain why it is a pure substance.