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WorksheetYear 6Level 2 · Standard

Free Year 6 Dissolving: Soluble and Insoluble Substances Worksheet

Students learn the words solute, solvent and solution, sort substances as soluble or insoluble in water, find out what makes things dissolve faster, show that a dissolved substance is still there, and interpret a fair test with sugar cubes.

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Year
Year 6
Subject
Science
Topic
Mixtures & Chemical Reactions
Difficulty
Level 2 · Standard
Estimated time
35 minutes
Curriculum
New Zealand Curriculum
Questions
15
Answers
Included, with working
Format
PDF (A4), print or complete online

Students will practise

  • classifying substances as soluble or insoluble
  • using the terms solute, solvent and solution
  • identifying factors that speed up dissolving
  • explaining that mass is conserved when dissolving
  • interpreting results from a fair test

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

What's next?

Completed: Dissolving: Soluble and Insoluble Substances

Ready for more? Move on to Year 7 Science.

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 6 students (typically ages 10–11) working on mixtures & chemical reactions. It is pitched at level 2 · standard.

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 35 minutes for 15 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?

Explore more Year 6 science resources.

Preview

Success TutoringWorksheetsYear 6 · Science · Mixtures & Chemical Reactions

Dissolving: Soluble and Insoluble Substances

Name

Date

Score /

Use the words dissolve, soluble, insoluble, solute, solvent and solution in your answers.

Part A: What happens when things dissolve?

Read the passage. Then circle the best answer.

When you stir sugar into water, the sugar seems to disappear. It has dissolved — it has broken into tiny pieces too small to see and spread evenly through the water.

The substance that dissolves is the solute (sugar). The liquid it dissolves in is the solvent (water). Together they make a solution (sugar water).

Substances that dissolve are soluble, such as salt, sugar and instant coffee. Substances that do not dissolve are insoluble, such as sand, chalk and flour — they make the water cloudy or sink to the bottom.

A dissolved substance has not gone. The solution weighs the same as the water and solute added together, and if the water evaporates, the solute is left behind.

Things dissolve faster when the water is warmer, when you stir, and when the solute is in smaller pieces.

1.Which substance is soluble in water?
  1. Asand
  2. Bsalt
  3. Cchalk
  4. Dpebbles
2.When sugar dissolves in water, the water is the…
  1. Asolvent
  2. Bsolute
  3. Csolid
  4. Dfilter
3.Which change will make sugar dissolve faster?
  1. Ausing colder water
  2. Busing a bigger sugar lump
  3. Cstirring the water
  4. Dnot touching the cup
4.50 g of salt is dissolved in 200 g of water. What is the mass of the salty water?
  1. A200 g
  2. B150 g
  3. C50 g
  4. D250 g
5.How could you get dissolved salt back out of salty water?
  1. ALet the water evaporate.
  2. BUse a sieve.
  3. CAdd more water.
  4. DPut it in the freezer for an hour.

Part B: Words and separating

6.Match each word to its meaning.
  • solute
  • solvent
  • solution
  • the mixture made when something dissolves
  • the substance that dissolves
  • the liquid that does the dissolving
7.A substance that does not dissolve is (answer space).
8.How could you separate sand from water? (answer space)

Part C: True or false?

Write True or False.

9.When salt dissolves, it disappears and is gone forever. ☐ True   ☐ False
10.Granulated sugar dissolves faster than a sugar cube of the same mass. ☐ True   ☐ False
11.Flour is soluble in water. ☐ True   ☐ False
12.There is a limit to how much sugar will dissolve in a cup of water. ☐ True   ☐ False
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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.