Learning objective

  • To explore a mechanism to inform a design decision.

Success criteria

  • I can describe the way a follower moves

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National curriculum

Design and technology

Design

Pupils should be

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Before the lesson

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Lesson plan

Recap and recall

Display the Presentation: Bingo – key vocabulary and hand out a whiteboard and pen (one each). Ask the children to divide their whiteboards into nine boxes and write one word from the presentation in each box.

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Adaptive teaching

Pupils needing extra support

Could work with a group of pairs to explore cam profiles; could have a narrower selection of cam profiles to explore and decide between; could be provided with another copy of the Activity: Cam profiles to cut and stick on the Activity: Cam choices; could use the Resource: Knowledge organiser: D&T – Automata toys to help troubleshoot the mechanism.

Pupils working at greater depth

Should continue working independently within their pair; could take on the role of workshop assistant if they finish ahead of time to assist their peers; could create customised cam profiles to suit their design idea.

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Assessing progress and understanding

Pupils with secure understanding indicated by: exploring the cam profiles and choosing three

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Vocabulary definitions

  • axle

    The part the cam rotates on.

  • cam

    A rotating part of a mechanism that changes rotary to linear movement.

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