Can redesigning products help?

Lesson overview

In this design and technology Key Stage 3 (KS3) lesson, students learn how sustainable redesign can reduce ocean plastic waste. This lesson is focussed on students conducting a product life cycle analysis on a household object before redesigning it. Included are teacher resources that allow students to critique examples of redesigns, conduct a product life cycle assessment, and redesign a product.

Learning outcomes
  • Define redesign
  • Critique product redesigns
  • Analyse the product life cycle of a household object
  • Redesign a product
Lesson steps
  1. Definition cryptogram (5 mins)
    Students complete a cryptogram to uncover the meaning of the lesson.
  2. What is sustainable redesign? (5 mins)
    Students view examples of sustainable redesign and understand how they apply to the 6 Rs.
  3. Redesign gallery (15mins)
    Students move around the room, like a gallery, and critique redesigns, stating which of the 6 Rs each design has used.
  4. Product analysis (15 mins)
    Students choose one of three household items to analyse and redesign. Students analyse the product life cycle using the 6 Rs.
  5. Redesign (10 mins)
    Students choose one of three things highlighted in the assessment, which they would like to change. Students redesign the product.
  6. Unintended consequences (10 mins)
    Students discuss unintended consequences of sustainable redesign. Then students predict what unintended consequences may arise from their redesigns.