Year 5 - Science
Recovering insoluble solids
Properties, changes and separating materials
Study Hub
Study Guides
This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
This unit explores the properties of everyday materials, including hardness, solubility, and conductivity. It covers reversible changes like dissolving and mixing, and irreversible changes such as burning. Emphasis is on scientific enquiries, data recording, and presenting findings with evidence.
Lesson Summary
You will learn to describe how to separate an insoluble solid from a liquid.
Key Notes
- Some solids do not dissolve in liquids; these are called insoluble solids.
- A sieve is a type of filter that can be used to separate larger insoluble solids from a liquid.
- Different types of filters can be used to separate insoluble solids from liquids or gases.
- We use filters in everyday life to separate mixtures of solids and liquids.
Vocabulary To Learn
- dissolve: If a solid dissolves in a liquid, it mixes completely with the liquid so that you can no longer see it.
- insoluble: Solids or gases that do not dissolve in a liquid are called insoluble.
- separate: To separate something means to divide it into different parts or groups.
- filter: To filter means to pour a mixture of liquid and solid through a fine mesh to separate the solid particles from the liquid.
- sieve: A sieve is a tool with a mesh of holes that lets smaller pieces pass through while keeping larger pieces behind.
Common Mistakes To Avoid
- Insoluble and soluble solids are separated from liquids using the same methods: dissolved solids, like salt and sugar, can be removed from solution by filtering.
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
Some solids do not dissolve in liquids; these are called insoluble solids. A sieve is a type of filter that can be used to separate larger insoluble solids from a liquid.
2. Define this scientific word and use it in context. 'dissolve'
If a solid dissolves in a liquid, it mixes completely with the liquid so that you can no longer see it. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: Insoluble and soluble solids are separated from liquids using the same methods: dissolved solids, like salt and sugar, can be removed from solution by filtering. Correction: Methods specific to the separation of insoluble solids are taught and applied in this lesson. Task A will help pupils understand that filtering does not separate dissolved solids, like salt and sugar, from a solution.
More Lessons In This Unit
- Bioplastics (non-statutory Climate Change & Sustainability) Study Guide
- Burning plants as fuel (non-statutory Climate Change & Sustainability) Study Guide
- Burning: an irreversible change Study Guide
- Everyday uses of thermal insulators Study Guide
- Greenhouse gases (non-statutory Climate Change & Sustainability) Study Guide
- How scientists work Study Guide
- Insulating our homes and schools (non-statutory Climate Change & Sustainability) Study Guide
- More irreversible changes Study Guide
- More reversible changes Study Guide
- Properties of materials Study Guide
- Providing safe drinking water (non-statutory Climate Change & Sustainability) Study Guide
- Removing salt from seawater (non-statutory) Study Guide
- Reversible changes of state Study Guide
- Rusting: an irreversible change Study Guide
- Separating soluble solids from solutions Study Guide
- Soluble and insoluble Study Guide
- Thermal insulators: do and review Study Guide
- Thermal insulators: plan Study Guide
- Uses of everyday materials Study Guide
Browse all guides in the Year 5 Science guide library.