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Mixtures and Pure Substances

Explore the concepts of mixtures and pure substances with this engaging Grade 3 science worksheet.

Grade 3 Science ChemistryMixtures and Pure Substances
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerWord Bank

Standards

5-PS1-1

Topics

sciencechemistrymixturespure substancesgrade 3
7 sections · Free to use · Printable
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Mixtures and Pure Substances

Name:

Date:

Score:

Read each question carefully and answer to the best of your ability.

1. Which of these is a pure substance?

a

Saltwater

b

Air

c

Sugar

d

Salad

2. A mixture can be easily separated.

a

True

b

False

3. A pure substance is made of only one kind of  .

4. When two or more substances are combined but not chemically changed, they form a  .

5. A fruit salad is an example of a mixture.

T

True

F

False

6. Water is a pure substance.

T

True

F

False

7. Give an example of a mixture you can find in your classroom.

Use the words below to complete the sentences.

mixture
pure substance
separated
combined

8. When different items are put together but still keep their own properties, they are  .

9. A   has the same properties all the way through.