WorksheetsC4-6 Types of Materials
Total questions: 10
Worksheet time: 6mins
Which of these is NOT a type of material we have studied for this unit (C4)?
ceramic
alloys
co-rodinates
composites
How are ceramics made?
by baking substances such as clay
by embedding one material in another
by mixing metals together
by layers individual sheets of materials
Which TWO words describe ceramics?
Brittle
Opaque
Stiff
Alloys
What is a composite material?
reinforced with fibreglass
superimposed one inside another
nanoparticle sized (10-9m)
one material embedded in another
Complete the sentence:-
An alloy is a ... of a metal and at least one other element.
(a)
Gold alloys are used to make jewellery. Metals such as zinc copper and silver are added to the gold. Why are they added?
They harden the gold
They make the gold more shiny
They lower the density
They are less reactive with water
Aluminium alloys are used the male aircraft. What is the reason aluminium alloys are used rather than pure aluminium?
Aluminium is too light
Aluminium is too soft
Aluminium corrodes
Aluminium is too reactive
Which of the following shows an alloy?
Stainless steel is an alloy of iron that does not rust.
Which two metals are added to iron to make stainless steel?
carbon
chromium
nickel
titanium
Steel is an alloy of iron and carbon.
Which of the following is NOT a reason steel is used instead of iron?
steel is harder
iron rusts
the colour lasts longer
steel is stronger
