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Free Year 3 Mixing and Changing Materials Worksheet

Children learn that materials can change when we bend, squash, stretch or twist them, when we mix them with water, and when they are heated or cooled — and sort changes that can be undone from changes that cannot, then test which things dissolve in water.

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Year
Year 3
Subject
Science
Topic
States of Matter & Materials
Difficulty
Getting started
Estimated time
25 minutes
Curriculum
New Zealand Curriculum
Questions
16
Answers
Included, with working
Format
PDF (A4), print or complete online

Students will practise

  • describing how materials change shape
  • observing what happens when materials are mixed with water
  • describing melting and freezing
  • sorting changes that can and cannot be undone
  • making predictions and recording results

Curriculum: New Zealand Curriculum. We show specific outcome codes only where they have been verified against the official curriculum document.

What's next?

Completed: Mixing and Changing Materials

  1. 1Combining Materials to Make Things
  2. 2Waterproof or Absorbent?
Harder: Level 1 · Easier →

How to use this worksheet

  1. Print the PDF or complete it on screen. Write the student's name and date at the top.
  2. Read the instructions for each part together before starting. Encourage working to be shown.
  3. Mark with the answer sheet. Use the model answers and success criteria as a guide rather than a single right answer.
  4. Record the score, celebrate what went well, then follow the "What's next" suggestion.

Common questions

Who is this worksheet for?

Year 3 students (typically ages 7–8) working on states of matter & materials. It is pitched at getting started; a harder version is linked above.

Are the answers included?

Yes. The PDF includes a full answer sheet with model answers and success criteria where there is more than one good answer. You can also view the answers online.

How long does it take?

About 25 minutes for 16 questions. Short, regular sessions work best: two or three a week beats one long one.

Do I need to sign up to download?

No. Click Download Free PDF and it opens immediately. It is free for personal, classroom and homeschool use.

What should we do next?

Try Combining Materials to Make Things.

Preview

Success TutoringWorksheetsYear 3 · Science · States of Matter & Materials

Mixing and Changing Materials

Name

Date

Score /

Think: is it the same material in a new shape, or has it changed? Can the change be undone?

Part A: How materials change

Read the passage. Then circle the best answer.

We can change the shape of some materials by bending, squashing, stretching or twisting them. Play dough can be squashed. A rubber band can be stretched.

Some materials dissolve when we mix them with water. Sugar and salt dissolve: they seem to disappear, but they are still in the water. Sand does not dissolve.

Heating and cooling can change materials too. Warmth makes ice melt into water. Very cold air in a freezer makes water freeze into ice.

Some changes can be undone. Melted ice can be frozen again. Some changes cannot be undone. A cooked egg can never be raw again.

1.You squash a ball of play dough flat. What has changed?
  1. Aits shape
  2. Bwhat it is made of
  3. Cits smell
  4. Dnothing
2.A spoonful of sugar is stirred into a glass of water. What happens?
  1. AThe sugar floats on top.
  2. BThe sugar dissolves and you cannot see it.
  3. CThe water turns into sugar.
  4. DThe sugar turns into sand.
3.What happens to an ice cube left in a warm room?
  1. AIt gets bigger.
  2. BIt freezes.
  3. CIt melts into water.
  4. DIt turns into sand.
4.Which change cannot be undone?
  1. Amelting chocolate
  2. Bfreezing water
  3. Cfolding paper
  4. Dcooking an egg
5.Sand is stirred into water and left to stand. What happens?
  1. AThe sand dissolves.
  2. BThe sand sinks to the bottom.
  3. CThe water turns to ice.
  4. DThe sand floats away.

Part B: Match and fill

6.Match each action to the change it makes.
  • stretching a rubber band
  • putting water in the freezer
  • stirring salt into water
  • leaving butter in a warm spot
  • it gets soft and melts
  • it gets longer
  • it dissolves
  • it turns into ice
7.When ice gets warm it (answer space).
8.When water gets very cold it (answer space) into ice.

Part C: True or false?

Write True or False.

9.Melted ice can be frozen again. ☐ True   ☐ False
10.Toast can be turned back into bread. ☐ True   ☐ False
11.When sugar dissolves, it is still in the water. ☐ True   ☐ False
12.Squashing play dough turns it into a new material. ☐ True   ☐ False
Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

Preview — the PDF contains the full resource and answer sheet.

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About this resource

Created by
Success Tutoring Science Team
Last reviewed
1 October 2026
How it was made
Written by our team

Free to print and share for personal, classroom and homeschool use. Please don't resell. Spotted an error? Let us know.