Learning objective
Knowledge
- To describe the effects of levers, pulleys and simple machines on movement.
Working scientifically
- To draw and label a diagram.
Success criteria
Knowledge
- I can explain the purpose of levers and
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National curriculum
Science
Forces
Pupils
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Cross-curricular links
Design and Technology
Design
- Use
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Before the lesson
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Lesson plan
Recap and recall
Arrange the class into pairs and hand out the Knowledge organiser (one per pair), a whiteboard and a pen. Display the Presentation: What is the question? and read out the rules of the game.
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Extended-mode explainer videos
How to extend your display to view the lesson page and preseantion mode simultaneously. Choose your operating system below to watch the video
If you need further support with extending your display,
please contact [email protected].
Extended-mode explainer video: For Mac
Extended-mode explainer video: For Windows
Adaptive teaching
Pupils needing extra support
Should use the link: Making a windmill on Videolink to make their windmill; could copy the diagram from the Presentation: Wind-powered pulley diagram.
Pupils working at greater depth
Could annotate their diagram to point out the important design features, identify any improvements made and explain how the pulley system works; could extend the experiment by trying to lift items from their pencil case and recording the different times taken to lift them; could choose an extension activity relating to levers, pulleys or gears from the Resource: Stretch and challenge: Unbalanced forces.
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Assessing progress and understanding
Pupils with secure understanding indicated by: explaining the purpose of
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Knowledge outcomes
- I can explain the purpose of levers and pulleys in amplifying the size of a force.
- I can explain the purpose of gears in changing the speed and direction of a force.
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Vocabulary definitions
-
amplify
To increase or make something greater, such as making a force stronger or a sound louder.
-
effort
The force you use to push, pull or turn something to make it move.
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In this unit
Maintained by: Kapow Primary team
Last update: 18th September, 2024
