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WorksheetsMetals and Alloys
Total questions: 10
Worksheet time: 5mins
Which property of metals allows them to be drawn into wires?
Malleability
Ductility
Brittleness
Hardness
What is an alloy?
A pure metal
A mixture of two or more elements, where at least one is a metal
A metal coated with another metal
A metal that has been melted and solidified
Which of the following is NOT a purpose of creating alloys?
To improve the appearance of the metal
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To increase the electrical conductivity of the metal
To make the metal more brittle
To enhance the strength of the meta
What is galvanization?
A process of applying a layer of zinc to steel or iron to prevent rusting
A process of polishing metals to make them shiny
A process of heating metals to a high temperature and then cooling them slowly
A process of mixing metals to create an alloy
Which metal finishing process involves electrochemically coating a metal with a thin layer of another metal?
Anodizing
Galvanization
Electroplating
Powder coating
What is the main reason for applying a finish to a metal?
To change its colour
To improve its electrical conductivity
To protect it from environmental damage
To increase its weight
Which of the following is a common method to prevent metal corrosion?
Keeping the metal wet at all times
Exposing the metal to acidic conditions
Applying a protective coating
Increasing the temperature of the metal
What property of metals refers to their ability to withstand forces without breaking?
Elasticity
Toughness
Brittleness
Strength
Stainless steel is an alloy made from iron, chromium, and often nickel. What property does chromium give to stainless steel?
Magnetism
Rust resistance
Increased weight
Electrical conductivity
What does the term "malleability" refer to in the context of metals?
The ability to be drawn into wires
The ability to be hammered or rolled into thin sheets
The ability to resist wear and tear
The ability to return to its original shape after being stretched
