WorksheetsGCSE D&T Unit 3 - Modern and Smart Materials
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
A modern material is a material or element that has been relatively recently discovered, true or false?
a)
True
b)
False
2.
A smart material reacts to an _________ stimulus by changing its characteristics and/or properties.
a)
Internal
b)
External
c)
Unique
3.
SMA stands for?
a)
Shape Motion Alloy
b)
Self Memory Alloy
c)
Shape Memory Alloy
4.
Nitinol is an SMA of nickel and titanium, a high temperature is required to allow it to be 'set' into shape, what is this temperature?
a)
140ᵒC
b)
340ᵒC
c)
540ᵒC
5.
Nano materials are measured in which unit?
a)
Centimetres
b)
Millimetres
c)
Nanometres
6.
Reactive glass darkens very quickly when subjected to ______?
a)
Light
b)
Sound
c)
Vibrations
7.
Photochromic particles react to what form of light?
a)
Bright Light
b)
Ultraviolet Light
c)
Dark Light
8.
Piezoelectric material responds to what?
a)
Light
b)
Sound
c)
Vibrations
9.
Thermochromic material responds to what?
a)
Heat
b)
Light
c)
Sound
10.
How can thermochromic materials be used within the medical industry?
a)
To show room temperatures
b)
To be used as a fever strip
c)
As novelty goods
11.
What is the name given to a low-temperature, hand-mouldable polymer?
a)
Polycaprolactone (PCL)
b)
Polyvinylchloride (PVC)
c)
Polypropylene (PP)
12.
Polymorph is an example of a hand mouldable polymer or a polycaprolactone, what temperature does it fuse at?
a)
32ᵒC
b)
62ᵒC
13.
What type of ink can be used instead of electrical wire in a circuit?
a)
LaserJet Ink
b)
Conductive Ink
c)
Smart Ink
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