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WorksheetsSmart and Modern Materials
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
A modern material is...
a)
a material that has been recently developed for specific applications.
b)
a material that reacts to a stimulus
c)
a material invented since the year 2000
d)
a material with useful properties
2.
These materials react and change with a physical change in their environment e.g. heat, light, electrical current.
a)
Smart Materials
b)
Modern materials
c)
Nano materials
d)
New Materials
3.
I am a smart material that is easily bent when cool but jump back into shape when heated above a certain temperature eg. nitinol
a)
Shape memory Alloys
b)
Nano Materials
c)
Ceramics
d)
Cornstarch polymers
4.
Materials that use small particles to give them cool properties:
-they have medical uses(antibacterial fabrics)
-Self cleaning fabrics
-they have medical uses(antibacterial fabrics)
-Self cleaning fabrics
a)
Smart Materials
b)
Nano materials
c)
Modern Materials
d)
Super alloys
5.
Respond to changes in temperature by changing colour, t-shirts, mugs and temperature strips
a)
Nanomaterials
b)
Thermochromic materials
c)
Integrated electronics
d)
Thermochronic Materials
6.
Amazing strength to weight ratio and is easily moulded/shaped. Resistant to corrosion, rigid/stiff and quite expensive.
a)
Kevlar
b)
Carbon fibre
c)
GRP
d)
Tungsten
7.
Glow in the dark, absorbs light during the day and emits it when dark E.G Fire exit signs
a)
Photochromic Materials
b)
Thermochromic Materials
c)
Phosphorescent pigments
d)
Holograms
8.
These are made from either natural polymers (from plant products such as corn starch) or they use these materials to mix with normal plastics to make them break down faster.
.
.
a)
Smart materials
b)
Biodegradable Plastics
c)
Phosphorescent pigments
d)
Metallic foams
9.
They change colour depending on the amount of light hitting the surface. By far the most common use of this is in light-sensitive glasses, such as sunglasses.
a)
Reflective Films
b)
Phosphorescent pigments
c)
Holograms
d)
Photochromic Materials
10.
Good strength to weight ratio. Easily moulded/shaped and is resistant to corrosion. Durable and relatively inexpensive.
a)
GRP ( Glass reinforced plastic)
b)
Polmorphic
c)
Kevlar
d)
Smart Ceramics
11.
Material made from a combination if two or more different materials, in layers or in a mixture
a)
Lamination
b)
Layering
c)
Composite
d)
Alloy
12.
Which one of these is NOT a composite?
a)
GRP
b)
laminate wood flooring
c)
neoprene
d)
Concrete
13.
A composite material has:
a)
The same functionality as its components
b)
Lower functionality than its components
c)
Higher functionality than its components
d)
None of these
14.
A composite material is made of
a)
A single material
b)
Two or more separate materials
c)
Two or more chemically combined materials
d)
None of these
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