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S3 Science: Metals Revision Flashcards | StudBud
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S3 Science: Metals Revision
S3 Science: Metals Revision
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Answers
1
Calculate 20% of 480.
45
64
96
70
2
A solid substance made by mixing a metal with another substance, usually another metal is...
an alkali metal
an alloy
a transition metal
steel
3
Copper is an excellent ____ of heat & electricity,making it useful for cookware & electronics
crusher
cable
conductor
insulator
4
Identify the metal that is extracted from its ores by heating with carbon.
Aluminium
Iron
Silver
Gold
5
Calculate 5% of 15000.
750
465
140
1000
6
The alloy used to make musical instruments is...
Solder
Stainless Steel
Brass
Steel
7
If a metal has a shiny surface it is known as...
Ductile
Colour
Lustrous
Malleable
8
To extract iron from its ores it's heated in a ____________________ with carbon.
Carbon crate
Blast furnace
Water tank
Iron holder
9
Which of the following is not an alloy?
Solder
Carbon
Bronze
Stainless Steel
10
Which of the following is an alloy?
Steel
Silver
Sulphur
Sodium
11
Steel is composed of
Aluminum and Gold
Carbon and Iron
Carbon and Hydrogen
Copper and Tin
12
The steel used for a screwdriver is more wear resistant because it contains ...
Nickel
Carbon
Tungsten
Chromium
13
Calculate 35% of 19000.
1200
4580
6650
7850
14
The alloy used to join two metals together is...
Brass
Solder
Steel
Stainless Steel
15
Identify the metal that exists in its purest form.
Gold
Silver
Iron
Aluminium
16
When a metal or alloy is described as being ductile, it has the ability to be
shiny
reactive
flattened and hammered into thin sheets
drawn into a wire or string
17
Which metal is extracted from its ore by heating it with carbon?
Copper
Iron
Gold
Aluminium
18
The steel used for a saw blade is heated and cooled quickly to make it ...
Softer
Harder
19
___________
is an alloy that is strong and is used for making cutlery.
Wrought Iron
Pewter
Bronze
Stainless Steel
20
Which of the following alloys is the likeliest to be used to make a bridge ?
Steel
Chromium
Bronze
14 Karat Gold
21
When tungsten is heated and cooled, this makes the tungsten...
Shorter
Softer
Harder
Longer
22
Which of the following is an advantage of recycling aluminium?
Saves money
Increases litter
Creates pollution
23
Which of the following is added to iron to make Tool Steel used to make screwdrivers?
adamantium
vibranium
tungsten
geranium
24
Calculate 15% of 6000.
1100
400
600
900