smart materials

Question 1

shape memory alloys

Answer 1

a smart material which can be moulded and return back to it’s original shape once heated e.g. glass and springs

Question 2

thermochromic pigment

Answer 2

a smart material which changes colour in response to a change in temperature e.g. thermometers

Question 3

phosphorescent pigment

Answer 3

a smart material which absorbs light and stores it, in order to emit it in the dark e.g. glow in the dark signs

Question 4

photochromic pigment

Answer 4

a smart material which changes colour in response to a change in light e.g. sunglasses

Question 5

electroluminescent wire

Answer 5

a smart material which glows in response to an alternating current e.g. outdoor lighting

Question 6

piezoelectric material

Answer 6

a smart material which gives off small electrical charges when deformed. increases in size when a current passes through it e.g. airbag sensors