modern/smart materials

Question 1

What are smart materials?

Answer 1

Materials that change their properties in response to external stimuli such as temperature, light, pressure, or electricity.

Question 2

Name three common types of smart materials.

Answer 2

Thermochromic pigments

Photochromic pigments

Shape memory alloys (SMAs)

Question 3

What are thermochromic pigments?

Answer 3

Pigments that change colour in response to temperature changes.
Example: Mood rings

Question 4

What are photochromic pigments?

Answer 4

Pigments that change colour when exposed to light, especially UV.

Question 5

What is a shape memory alloy (SMA)?

Answer 5

A metal that can be deformed and then return to its original shape when heated. e.g. nitinol

Question 6

What are modern materials?

Answer 6

Materials that have been developed recently through new processes, technologies, or scientific innovations to have improved or unique properties.