Strive for perfection. Based on peer feedback, groups identify ways to improve their prototypes of the solution to the plastics problem. Members must come up with at least two ideas for improvements. This is the eighth instructional activity of a 10-part unit.

Concepts

prototypes, engineering design, iteration, technology resources

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Instructional Ideas

• If time permits, conduct several sessions of the lesson as the lesson guide suggests
  

Classroom Considerations

• Pupils need access to the virtual notebook or to paper copies of the relevant worksheets
• Apply the same rules for peer feedback as in previous lessons
  

Pros

• Provides some implementation notes based on pilot testing of the unit
• Includes suggestions for assessment and reflection
  

Cons

• None