Materials

Ferrous metals contain which element?

• Copper

• Iron

• Aluminum

• Zinc

How can ferrous metals be identified?

• By their color

• By their weight

• By using a magnet

• By their sound

Steel contains iron and is used in _______ and some baths.

• radiators

• curtains

• carpets

• bookshelves

Ferrous metals can corrode easily if not protected and will form rust as a result.

• True

• False

Non ferrous metals do not rust, but can ______ over time.

• corrode

• melt

• freeze

• evaporate

List any three examples of non ferrous metals mentioned in the passage.

• Copper, Aluminium, Zinc

• Iron, Nickel, Lead

• Tin, Steel, Brass

• Gold, Silver, Iron

BRASS is a mixture of ______ and zinc.

• copper

• iron

• aluminium

• silver

BRONZE is a mixture of copper and ______.

• tin

• iron

• zinc

• lead

STEEL is a mixture of iron and ______.

• carbon

• hydrogen

• oxygen

• nitrogen

Match the following alloys with their components:

• 3

• iron + carbon

• 1

• copper + zinc

• 2

• copper + tin