Section A: Physical Properties of Materials (10 questions)

Which of the following is a physical property of a material?

• Ductility

• Electrical conductivity

• Toughness

• Malleability

What does thermal conductivity refer to?

• Ability to bend without breaking

• Ability to conduct electricity

• Ability to allow heat to pass through

• Resistance to wear

Which material is the best electrical conductor?

• Copper

• Wood

• Glass

• Rubber

Which of the following materials is an electrical insulator?

• Aluminium

• Graphite

• Plastic

• Copper

Which property describes a material’s ability to absorb light without reflecting it?

• Absorbency

• Density

• Opacity

• Thermal resistance

What is density?

• The measure of flexibility

• The mass per unit volume

Which physical property would be most important for an umbrella canopy?

• Electrical conductivity

• Brittleness

• Absorbency

• Water resistance

Why is aluminium used in cooking pans?

• It's an insulator

• It has high thermal conductivity

• It is a dense material

• It absorbs heat slowly

Which material has the lowest density?

• Lead

• Balsa wood

• Steel

• Oak

What physical property is most important for insulation materials?

• Absorbency

• Electrical conductivity

• Thermal resistance

• Toughness