Exploring Smart Materials in Design

What is a smart material?

• A material that can change its properties in response to external stimuli

• A material that is always hard and rigid

• A material that is only used in electronics

• A material that is always soft and flexible

Which of the following is an example of a smart material?

• Wood

• Shape memory alloy

• Plastic

• Glass

What is a common application of thermochromic materials?

• Building bridges

• Colour-changing mugs

• Making clothes

• Constructing roads

Which property is unique to piezoelectric materials?

• They conduct electricity

• They change shape when heated

• They generate an electric charge when compressed

• They are magnetic

What is an advantage of using smart materials in design?

• They are always cheaper than traditional materials

• They can adapt to changing conditions

• They are always stronger than traditional materials

• They never wear out

Which of the following is a disadvantage of smart materials?

• They are always heavy

• They can be expensive

• They are always brittle

• They are not durable

Which smart material is known for its ability to return to its original shape after deformation?

• Thermoplastic

• Shape memory polymer

• Ceramic

• Metal

In what everyday item might you find a photochromic material?

• A frying pan

• Sunglasses

• A mobile phone

• A book

What is a key property of electrochromic materials?

• They change colour when exposed to light

• They change colour when an electric current is applied

• They change shape when heated

• They conduct electricity

Which of the following is an example of a smart material used in medical applications?

• Stainless steel

• Biodegradable plastic

• Shape memory alloy

• Aluminium