Year 2 - Science
Stretchy materials
Uses of everyday materials
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
This unit explores identifying and comparing the suitability of everyday materials like wood, metal, and plastic for specific uses. It examines how solid objects' shapes can change by squashing, bending, twisting, and stretching. The focus is on simple tests, and using data to answer questions.
Lesson Summary
You will learn to investigate which materials are stretchy and explain how suitable they are for different uses.
Key Notes
- The properties of materials make them suitable or unsuitable for particular uses.
- Being stretchy is one such property of some materials.
- If a material is stretchy, it is able to be pulled to change its shape.
- Some materials are stretchy, and this makes them suitable for certain uses.
- Scientists test materials to find out which are stretchy and which are not.
Vocabulary To Learn
- material: A material is what an object is made from. An object can be made from more than one material.
- suitable: Someone or something that is suitable for a particular purpose or occasion is considered right or acceptable for it.
- properties: A material's properties are its qualities, such as how hard or soft it is or whether it is rough or smooth.
- stretchy: Something that is stretchy can be pulled to change its shape.
- length: The length of something is its measurement from end to end.
Common Mistakes To Avoid
- Pupils might not think that when you stretch some materials, they go back to the shape they were (and some snap).
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
The properties of materials make them suitable or unsuitable for particular uses. Being stretchy is one such property of some materials.
2. Define this scientific word and use it in context. 'material'
A material is what an object is made from. An object can be made from more than one material. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: Pupils might not think that when you stretch some materials, they go back to the shape they were (and some snap). Correction: Examples of different materials, some that stretch and return to their previous length, some that stretch and do not return to their previous length, and some materials that do not stretch and may snap if stretched.
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