Font size
Worksheetsdifferent types of material
Total questions: 28
Worksheet time: 19mins
Clay undergoes what when it is fired?
metamorphosis
chemical change
surgery
petrification
Which set of properties are commonly associated with ceramic materials.
Good toughness, good conductivity and light weight.
High levels of hardness, good conductivity and light weight.
Nice colours
High levels of hardness, high levels of heat resistance and quite brittle.
4. Although ceramic materials have a good range of important properties one limitation to their use is that they are often
Too malleable
Too brittle
Too ductile
Too light
6. What is the main ingredient in glass?
soda ash
limestone
borax
silica
Ceramics also have a chemical inertness. What does this mean?
They do not react with chemicals.
They react strongly with chemicals.
They only react with reactive elements.
They react sometimes with chemicals.
which is not a property of aerogel
brittle
lightweight
high strength
99% liquid
Bricks are used in the construction of houses. State one property that makes them useful and one property that makes them not useful for construction.
Ceramics are used to make bathroom fittings because
hard and heat resistant
non conductors
hard and strong
hard, strong and waterproof
Nanotubes are excellent insulators of heat and electricity.
false
true
aerogels are heat resistant hence they are used in
sports equipment
in making baking trays
automobiles and space vehicles
artificial bones
porcelain is chemically unreactive and that is the reason it is used in
porcelain mugs
tiles to cover space crafts
artificial bones
decorative vases
Where does most of the plastic end up?
landfills
schools
litter on the streets
oceans
Plastics contain ___________________, which are long chains of molecules that manufacturers can mold, cast or force through a die into desired shapes.
pigments
polymers
core walls
chamfers
A composite material is made up of
A single material
Two or more separated materials
Two or more chemically combined materials
None of these
Which of the following are the major constituents of reinforced concrete?
I, II and III
I, III and IV
I, II and IV
I and II only
The steel bar in reinforced concrete contributes_______ to the concrete.
Hardness
Malleability
Tensile strength
Compression strength
How are ceramic materials made?
By heating and cooling a substance
By adding many small molecules together
Using electricity
What type of material is a house brick?
Polymer
Composite
Ceramic
Alloy
What type of material is reinforced concrete?
Rock
Polymer
Ceramic
Composite
What name is given to a very long molecule made from smaller repeating units?
Monomer
Ceramic
Polymer
Composite
Which is NOT caused by acid rain?
damage to statues
dying fish
spread of disease
weakened trees
