Lesson 1: Hardness
Exploring the hardness and uses of materials and developing the working scientifically skill of evaluating a method.
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Learning objectives
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Success criteria
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Before the lesson
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Lesson plan
Before starting this unit, check the children can recall information from the units Science, Year 2, Uses of everyday materials and Science, Year 4, States of matter:
The names of a range of materials, including wood, metal, plastic, glass, brick, rock, paper and cardboard.
The suitability of these materials for particular uses.
The characteristics of solids, liquids and gases.
Changes of state (melting, freezing, condensing and evaporating).
Use the Activity: Properties and changes mind map (one each) to elicit the children’s prior knowledge if required.
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