Uses of Metals

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 never goes dull

• It is magnetic.

What metal was used to manufacture this box?

• silver

• gold

• copper

• nickle

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