Unit 14: Materials and their properties

_________ is used to make handles of cooking utensils to protect us from getting burnt by heat?

• steel

• iron

• wood

• plastic

Which material can be attracted to magnet?

• paper

• cotton

• metal

• ceramic

Which material is poor conductor of heat?

• steel

• iron

• metal

• wood

________ is used to make wires in electrical appliances.

• copper and rubber

• rubber and aluminium

• steel and metal

• iron and plastic

Which object that is made of metal which is non-magnetic?

• steel

• iron

• metal spoon

• aluminium foil

The material we use to make floor-to-ceiling windows must be:

• Flexible and soft

• Hard, rigid and transparent

• Waterproof, strong and hard

• Hard, waterproof and light

A plastic has these properties.

• Waterproof , strong and hard

• Hard, waterproof and light

• strong and rigid

• flexible and soft

Example of material that is flexible and soft is:

• plastic

• metal

• rubber

• ceramic

Your drinking bottle must not absorb water. This property of material is called:

• rigid

• transparent

• waterproof

• flexible

A ceramic sink has these properties.

• Hard, waterproof and light.

• Waterproof, strong and hard

• Hard, rigid and transparent

• Flexible and soft