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This quiz contains 15 questions from a mix of 1 subtopics.
In physics, what is meant by a material's strength?
The ability of a material to conduct electricity
The resistance of a material to an applied force
The temperature at which a solid changes into a liquid
The resistance of a material to being scratched or indented
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In physics, what is a material's hardness?
The ability of a material to conduct electricity
The temperature at which a solid changes into a liquid
The resistance of a material to being scratched or indented
The resistance of a material to an applied force
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What does it mean for a material to be brittle?
Electricity can conduct through it easily
It is difficult to bend
It will only boil at very high temperatures
It will snap easily
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What does it mean for a material to be stiff?
It will only boil at very high temperatures
It is difficult to bend
It will snap easily
Electricity can conduct through it easily
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Are ceramics soft or hard?
Soft
Hard
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Which three materials are used to make soda-lime glass?
Sand
Limestone
Boron trioxide
Sodium carbonate
Clay
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Which two materials are used to make borosilicate glass?
Boron trioxide
Sand
Limestone
Sodium carbonate
Clay
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Which type of glass has a higher melting point?
Soda-lime glass
Borosilicate glass
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The two components of a composite material are called the r and the m.
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Which component of a composite often consists of long solid fibres or fragments?
The reinforcement
The matrix
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What do we call the individual units that make up a polymer?
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What does LDPE stand for?
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Which type of poly(ethene) is most flexible, but weakest?
LDPE: low-density poly(ethene)
HDPE: high-density poly(ethene)
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Which type of polymers melt easily when heated?
Thermosoftening polymers
Thermosetting polymers
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What is the key difference between metals and alloys?
Alloys do not conduct electricity
Alloys are not malleable
Alloys do not have high melting points
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