New
New
Year 9

Smart materials in design

I can identify smart materials, uses and applications.

New
New
Year 9

Smart materials in design

I can identify smart materials, uses and applications.

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Lesson details

Key learning points

  1. Smart materials change their material properties in response to an external stimulus.
  2. Smart material examples include thermochromic pigments, photochromic pigments and shape memory alloys.
  3. Stimuli include sunlight, water/moisture, pressure and temperature.
  4. Smart materials gives designers and engineers exciting possibilities when developing new products.

Keywords

  • Stimulus/stimuli - (singular/plural) - something that encourages activity or change

  • Material property - a characteristic of a material

  • Response - a reaction to a stimulus

Common misconception

Smart materials are only for fun products like colour changing mugs.

Smart materials give designers and engineers exciting possibilities when developing new products. Possibilities often focus on function and/or form. For example, thermochromic materials can be used to indicate a temperature and warn users of danger.


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

Collect together as many examples as you can find, including: colour changing mugs, umbrellas, spoons, glasses that change to sunglasses, memory foam pillows etc.
Teacher tip

Equipment

Smart material examples, if possible.

Licence

This content is © Oak National Academy Limited (2025), 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

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6 Questions

Q1.
What term is given to the process of judging how a product meets chosen criteria?
modification
analysis
assessment
Correct answer: evaluation
Q2.
What does the term iterate mean in the context of developing a product?
To build the first version of a design.
To copy someone else's product.
Correct answer: To refine and improve a design.
To sell the product after development.
Q3.
Select the reason why it is important to justify a design decision.
To copy another design that works.
To consider different ways to make the prototype.
To explain how you will make the prototype.
Correct answer: To show decisions are based on good reasoning.
Q4.
Choose the most accurate description of a design brief.
a detailed drawing of a product idea
Correct answer: a statement that outlines the product’s requirements
a list of materials needed for the product
a statement that describes how the product looks
Q5.
What is the process of making products from raw materials using machines or labour called?
Correct Answer: manufacturing, manufacture
Q6.
When you are ready to manufacture a product, it is important to the different stages.
Correct Answer: plan, plan out, plan for, plan all

Assessment exit quiz

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5 Questions

Q1.
What is a characteristic of a material called?
material function
Correct answer: material property
material element
material aspect
Q2.
What is something that encourages activity or change in a material called?
Correct Answer: a stimulus, stimulus, stimuli
Q3.
materials change their material properties in response to an external stimulus.
Correct Answer: smart
Q4.
What is the stimulus that causes thermochromic materials to change colour?
water
Correct answer: heat
light
Q5.
Which of the below are examples of a product made from a Shape Memory Alloy?
nappies
Correct answer: paper clip
plastic spoon
Correct answer: stents