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      Lesson details

      Learning outcome

      I can explain how to reduce the environmental impact of a product during use.

      Key learning points

      1. Designers consider the environmental impact of a product in use.
      2. Adjustable and modular products have a positive environmental impact.

      Keywords

      • Design decisions - a deliberate choice to meet a requirement or solve a problem

      • Durability - ability of a product or material to withstand wear, pressure, or damage over time

      • Modular design - a design approach where a product is made up of separate, interchangeable parts or modules

      • Design opportunity - a gap, or a need where a new or improved product would be beneficial

      Common misconception

      Considering a product's energy use is the only way to design a sustainable product.

      There are many other ways to design a product to be sustainable when in use, including designing products to grow with users, be adjusted, modularity, reused etc.

      Teacher tip

      Have a look around the school/home for products that 'grow' with the user as examples of sustainable products, such as adjustable chairs/products.

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      In what ways can distribution lorries be modified to reduce carbon emissions?

      An image in a quiz
      more than one driver so greater distances can be covered
      Correct answer: tapered rear end to reduce rear end drag
      higher top speed so the destination is reached quicker
      Correct answer: curved roof fairing to reduce air resistance

      Q2.
      Match the fuel to the description.

      Correct Answer:biodiesel,produced from used cooking oil

      produced from used cooking oil

      Correct Answer:hydrogen,made from water using electricity

      made from water using electricity

      Correct Answer:biogas,comes from organic waste

      comes from organic waste

      Correct Answer:algae fuel,uses fast growing aquatic organisms

      uses fast growing aquatic organisms

      Correct Answer:bioethanol,made from crops like corn

      made from crops like corn

      Q3.
      What comes after the distribution stage in the circular economy?

      manufacture and materials processing
      Correct answer: product in use
      design / redesign
      repair and maintenance

      Q4.
      How have polymer bag manufacturers reduced the environmental impact of their products?

      An image in a quiz
      used cheaper materials
      Correct answer: use biodegradable materials
      sourced materials from closer to where the bags are manufactured
      added a tax on all bags purchased

      Q5.
      What energy source does this product use?

      An image in a quiz
      Correct Answer: solar, the sun

      Q6.
      Identify the adjustable products.

      Correct Answer: An image in a quiz
      An image in a quiz
      Correct Answer: An image in a quiz
      An image in a quiz
      An image in a quiz
      Correct Answer: An image in a quiz
      An image in a quiz

      4 Questions

      Q1.
      design is a design approach where a product is made up of separate, interchangeable parts.

      Correct Answer: Modular

      Q2.
      How did the UK Government reduce the use of single use polymer bags?

      by making polymer bags illegal
      Correct answer: by introducing a tax on polymer bags
      shoppers had to provide their own bags
      only carboard boxes could be used

      Q3.
      What can be used as eco friendly alternatives to cling film?

      Correct answer: beeswax wraps
      aluminium foil
      Correct answer: reusable polymer boxes
      polymer sandwich bags

      Q4.
      What design decision was made to help reduce this product's environmental impact during use?

      An image in a quiz
      Correct answer: wind up mechanism
      rechargeable batteries
      bridgeable materials
      solar powered

      To help you plan your 9 design and technology lesson on: Product in use, download all teaching resources for free and adapt to suit your pupils' needs...