4292620
Beschreibung
Quiz von esmeroseleydon, aktualisiert more than 1 year ago
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Erstellt von esmeroseleydon
vor mehr als 8 Jahre
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Frage 1
Frage
Are these natural or synthetic materials?
Wood, cotton, wool, silk and leather.
Antworten
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Natural
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Synthetic
Frage 2
Frage
What are raw materials?
Antworten
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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.
Frage 3
Frage
What is this the definition of?
How good a material is at resisting a force.
Antworten
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Density
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Hardness
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Strength
Frage 4
Frage
What is this the definition of?
How difficult a material is to cut into.
Antworten
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Density
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Strength
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Melting point
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Hardness
Frage 5
Frage
Is this the definition of melting point?
The temperature where a solid turns to a gas.
Antworten
- True
- False
Frage 6
Frage
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.
Antworten
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stiff
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bending
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strong
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permanently
Frage 7
Frage
Density is…
Antworten
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Mass per unit volume (g/cm3)
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Joules per unit volume
Frage 8
Frage
Plastics are…
Antworten
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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.
Frage 9
Frage
Crude oil is…
Antworten
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A mixture of hydrocarbons.
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A mixture of carbon dioxide and hydrogen.
Frage 10
Frage
Are these uses of crude oil?
Petrol, diesel and lubricating oil.
Antworten
- True
- False
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