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Pure Substances and Mixtures

Explore the difference between pure substances and mixtures with this engaging worksheet for 3rd graders.

Grade 3 Science ChemistryPure Substance Vs Mixture
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Multiple ChoiceTrue / FalseFill in the BlanksShort AnswerCustom

Standards

3-PS1-1

Topics

sciencechemistrypure substancemixturegrade 3
7 sections · Free to use · Printable
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Pure Substances and Mixtures

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Date:

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Read each question carefully and answer to the best of your ability. Remember what you learned about pure substances and mixtures!

1. Which of these is an example of a pure substance?

a

Salad

b

Water

c

Trail mix

d

Sand and water

2. What is a mixture?

a

Something made of only one type of material.

b

Two or more things mixed together but not chemically changed.

c

A substance that is always clear.

d

Something that cannot be seen.

3. Sugar dissolved in water is still considered a mixture.

T

True

F

False

4. A pure substance can be easily separated into different parts.

T

True

F

False

5. A pure substance is made of only one type of  .

6. When you mix sand and water, it forms a  .

7. Give an example of a pure substance found in your home and explain why it is a pure substance.

8. Give an example of a mixture you can find in your kitchen and explain why it is a mixture.

9. Look at the image below. Is it a pure substance or a mixture? Explain your answer. Then, draw another example of a mixture in the box provided.

Iron and Sulfur Mixture

 

 

Draw a mixture here: