🌼 Wattle Science

FREE PRIMARY SCIENCE · Years 3–4

Material matters

How do we choose the right material for a job?

Students classify everyday materials, then test flexibility, waterproofing and heat insulation using simple equipment. They research how materials are re-used, then apply their evidence to a design decision. Each lesson teaches one investigation skill alongside the science.

6 free lessons · Australian Curriculum v9

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Lessons in this topic

Each lesson includes a teacher plan and activities. Check its materials label before teaching.

  1. What is it made of?

    Why is a spoon not made of paper?

    Materials needed · AC9S4U04, AC9S4I03

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  2. Bend, stretch or snap?

    A bookmark needs to bend without breaking. Which material is best?

    Materials needed · AC9S4U04, AC9S4I03

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  3. Keep it dry

    Which material would make the best raincoat for a teddy?

    Materials needed · AC9S4U04, AC9S4I02

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  4. Keep it warm

    How can wrapping a hot drink keep it warm for longer?

    Materials needed · AC9S4U04, AC9S4I04

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  5. Give it another life

    What can happen to a material after we have finished with it?

    Materials needed · AC9S4U04, AC9S4I06

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  6. Material match challenge

    Which materials would you choose for a school lunchbox, and why?

    Materials needed · AC9S4U04, AC9S4I05, AC9S4I06

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