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Year 5 - Science

Thermal insulators: plan

Properties, changes and separating materials

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 plan to investigate the physical property of thermal insulation.

Key Notes

  • Different materials have different physical properties.
  • A thermal insulator is a material that does not allow heat to pass through easily.
  • Different materials can be suitable or unsuitable for thermal insulation depending on their properties.
  • In a comparative test, the variable that is being changed has names or labels, such as the names of plants.
  • When we control variables, it means we keep them the same throughout an investigation.

Vocabulary To Learn

  • material: A material is the substance that objects are made from such as wood, metal or plastic.
  • physical properties: The physical properties of a material are the features that can be observed or measured.
  • thermal insulator: A thermal insulator is a material that does not allow heat to pass through it easily.
  • comparative test: In a comparative test, the variable that is being changed has names or labels, such as the names of plants.
  • variables: A variable is something that can be changed, measured or kept the same in an investigation.

Common Mistakes To Avoid

  • Children may think that thermal insulators only keep things warm.

3 Quick Questions (With Answers)

1. Explain the scientific idea in this lesson using two key points.

Different materials have different physical properties. A thermal insulator is a material that does not allow heat to pass through easily.

2. Define this scientific word and use it in context. 'material'

A material is the substance that objects are made from such as wood, metal or plastic. Include the word in a full scientific explanation, not as a single label.

3. Correct this common scientific misunderstanding.

Mistake: Children may think that thermal insulators only keep things warm. Correction: Task A specifically addresses this misconception. Children will have opportunities to investigate which cup has the best thermal insulation properties for keeping drinks cold in lesson 5 of this unit.

More Lessons In This Unit

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