Science at key stage 3 (Year 9)
Unit 9L: Pressure and moments
Section 10: b. How do things balance?
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Objectives |
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- that the turning effect of a force is called its moment
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Activities |
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Outcomes |
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Children: |
- Describe the turning effect of a force as its moment. Ask pupils to make a mobile, or show them a mobile,
eg for a child, and ask them to write notes about the mobile's construction using the terms 'pivot', 'balance' and 'moment'. Introduce the see-saw balance,
eg a pivoted metre rule.
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Points to note |
- The concept of 'moments' is difficult and will only be covered by some pupils. Other pupils could be encouraged to talk about the 'turning effect' of a force and will simply associate a greater effect with the force being further away from the pivot.
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This unit is divided into sections. Each section contains a sequence of
activities with related objectives and outcomes. You can view this unit by
moving through the sections or print/download the whole unit.
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