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Worksheets3.2.1 Metal MATERIALS
Total questions: 40
Worksheet time: 40mins
What are the three main types of metals?
Ferrous, Non-Ferrous, Alloy
Elasticity, Ductility, Hardness
Tension, Compression, Malleability
Anodizing, Galvanizing, Stockform
Which process is used to protect metals from the elements?
Anodizing
Elasticity
Tension
Ductility
What is the term for a mixture of two or more metals?
Alloy
Ore
Stockform
Ferrous
What is the process called that involves treating a laptop casing to enhance its durability and appearance?
Galvanizing
Anodising
Electroplating
Painting
Which of the following is a step in the anodising process as shown in the diagram?
Cooling at 0°C
Heating at 100°C
Freezing at -10°C
Boiling at 50°C
What is the process of galvanising?
Painting metal with a protective layer
Dipping metal into a bath of molten zinc
Coating metal with plastic
Polishing metal to a shine
Why is zinc used in the galvanising process?
It provides a shiny finish
It is very resistant
It is cheaper than other metals
It is easy to apply
Tin is one of the non ferrous metal
True
False
What are the 3 pure (precious) metals?
Aluminium, gold and copper
Brass, gold and copper
Stainless steel, zinc and iron
Gold, Copper and Silver
Bauxite ore is the primary source of...
Iron
Copper
Steel
Aluminium
The process of heating an ore beyond its melting point and combining it with other substances is called...
Dredging
Frothing
Tailing
Smelting
Where do metals come from?
Plants
Ore
Water
Air
What is the process of coating a metal with a layer of zinc called?
Anodizing
Painting
Galvanizing
Polishing
Which of the following is a characteristic of metals?
Elasticity
Transparency
Flammability
Solubility
What is the term for metals that do not contain iron?
Ferrous
Non Ferrous
Alloy
Stockform
Which type of metal is prone to rusting?
Ferrous
Non-Ferrous
Alloys
Plastic
Which of the following is an example of a ferrous metal?
Mild Steel
Aluminum
Brass
Copper
What is a common application for ferrous metals?
Car body
Electrical wiring
Jewelry
Cooking utensils
Which of the following items is most likely to be made from a non-ferrous metal?
Drill bits
Gold rings
Gates/Fencing
Nuts & Bolts
What is a common characteristic of ferrous metals?
They are non-magnetic
They contain iron
They are lightweight
They do not rust
Which of the following is an example of a ferrous metal product?
Foil
Pipes
Cutlery
Gold rings
Why is iron a useful metal?
It is useful because it is hard and strong.
It is useful because it rusts easily.
It is useful because it is very light.
It is useful because it is very brittle.
What is the one problem with iron?
It rusts easily.
It is too light.
It is a liquid at room temperature.
It is very rare.
Why is gold used in the manufacture of jewellery?
It is heavy.
It is malleable.
It has lustre and is unreactive.
It is magnetic.
What metal is used in electrical wires?
copper
silver
gold
iron
Why is copper used to manufacture electrical wires?
It is used because it is ductile, malleable and is a good conductor of electricity.
It is used because it has lustre.
It is used because it is ductile, brittle and a good conductor of electricity.
It is used because it is magnetic.
Which metal is used in the aircraft industry as it is very light?
aluminium
copper
iron
brass
Able to be beaten or hammered into shapes
lustre
malleable
brittle
insulator
Carries heat or electiricity
insulator
conductor
lustre
brittle
Easily breaks into pieces when it falls.
malleable
lustre
ductile
brittle
