Heat Quiz

What is the normal temperature of the human body?

• 40°C

• 37°C

• 35°C

• 42°C

Which process does not require any medium for heat transfer?

• Insulation

• Radiation

• Convection

• Conduction

Why are dark-coloured clothes preferred in winter?

• They reflect heat

• They absorb more heat

• They are lighter

• They are more fashionable

What is the range of a clinical thermometer?

• -10°C to 110°C

• 0°C to 100°C

• 35°C to 42°C

• 50°C to 150°C

Which material is a poor conductor of heat?

• Aluminum

• Wood

• Iron

• Copper

What is the process by which heat is transferred in liquids and gases?

• Conduction

• Insulation

• Convection

• Radiation

Why is it advised to paint the outer walls of houses white in hot climates?

• To make them cooler

• To reflect heat

• To absorb more heat

• To make them look brighter

What happens when an iron ball at 40°C is dropped in water at 40°C?

• Both increase in temperature

• Heat flows from water to iron ball

• No heat transfer

• Heat flows from iron ball to water

Which type of heat transfer does not require a medium?

• Convection

• Radiation

• Insulation

• Conduction

Why do stainless steel pans have copper bottoms?

• To make them colorful

• Copper is a better conductor of heat

• To make them more durable

• Copper is easier to clean