4292620
Description
Quiz by esmeroseleydon, updated more than 1 year ago
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Created by esmeroseleydon
almost 9 years ago
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Question 1
Question
Are these natural or synthetic materials?
Wood, cotton, wool, silk and leather.
Answer
-
Natural
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Synthetic
Question 2
Question
What are raw materials?
Answer
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Materials that have to be made naturally.
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Materials made to make synthetic materials from the Earth's crust.
Question 3
Question
What is this the definition of?
How good a material is at resisting a force.
Answer
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Density
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Hardness
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Strength
Question 4
Question
What is this the definition of?
How difficult a material is to cut into.
Answer
-
Density
-
Strength
-
Melting point
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Hardness
Question 5
Question
Is this the definition of melting point?
The temperature where a solid turns to a gas.
Answer
- True
- False
Question 6
Question
A [blank_start]stiff[blank_end] material is good at not [blank_start]bending[blank_end] when a force is applied to it. A bendy material can still be [blank_start]strong[blank_end] as long as the force does not [blank_start]permanently[blank_end] deform it.
Answer
-
stiff
-
bending
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strong
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permanently
Question 7
Question
Density is…
Answer
-
Mass per unit volume (g/cm3)
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Joules per unit volume
Question 8
Question
Plastics are…
Answer
-
Fairly strong, hard and stiff. They are fairly low density. Some are mouldable.
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Strong, flexible and mouldable.
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Soft and flexible. They have good tensile strength.
Question 9
Question
Crude oil is…
Answer
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A mixture of hydrocarbons.
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A mixture of carbon dioxide and hydrogen.
Question 10
Question
Are these uses of crude oil?
Petrol, diesel and lubricating oil.
Answer
- True
- False
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