Learning objective
- To explore how thickness affects the strength of materials.
Success criteria
- I can use the words stiff and flexible
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National curriculum
Design and technology
Make
Pupils
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Cross-curricular links
Science
Working scientifically
Pupils should
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Before the lesson
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Lesson plan
Recap and recall
Explain that the children will be thinking about strong shapes. Display the Presentation: Agree or disagree? and read out the statement aloud. Ask the children to discuss the statement with a partner and decide whether they agree or disagree. Remind them that they need to explain why they agree or disagree.
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Adaptive teaching
Pupils needing support:
Should use the Knowledge organiser to support using the correct vocabulary when describing their observations during the Main event and Wrapping up; could use a ruler to help fold materials by bending them around the ruler and pressing down.
Pupils working at greater depth:
Should explain why both stiff and flexible materials are useful when making a product, such as a chair; could suggest alternative materials to test and predict how their thickness might affect stiffness.
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Assessing progress and understanding
Pupils with secure understanding indicated by: explaining why different products or parts
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Vocabulary definitions
-
flexible
Can bend without breaking.
-
material
What something is made of.
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In this unit
Assessment - D&T Y2: A chair for a bear
Lesson 1: All about chairs!
Lesson 2: How does the shape of something affect its strength?
Lesson 3: How does the thickness of a material affect its strength?
Lesson 4: Making a chair for a bear
Lesson 5: Evaluating, improving and finishing a chair for a bear