Understanding Heat Transfer and Calorimetry

Which of the following is not a method of heat transfer?

• Conduction

• Radiation

• Convection

• Reflection

Which of the following is an example of heat transfer by convection?

• Heat from the sun warming your face

• Boiling water in a pot

• A metal spoon getting hot from a hot soup

• Heat from a light bulb

Which equation is used to calculate the heat absorbed or released by a substance?

Which of the following best describes thermal equilibrium?

• Two objects at different temperatures

• Two objects with the same mass

• Two objects with no heat transfer between them

• Two objects with the same specific heat capacity

What happens to the temperature of a substance when it reaches thermal equilibrium with its surroundings?

• It increases

• It decreases

• It remains constant

• It fluctuates

Which of the following is an example of heat transfer by radiation?

• A heater warming a room

• The sun warming the Earth

• A pot on a stove

• Ice melting in water

In calorimetry, what is the purpose of a calorimeter?

• To measure temperature

• To measure mass

• To measure heat transfer

• To measure volume

If 100 g of water at 80°C is mixed with 100 g of water at 20°C, what will be the final temperature of the mixture assuming no heat loss?

• 50°C

• 60°C

• 40°C

• 30°C

Which of the following materials is a good conductor of heat?

• Wood

• Plastic

• Copper

• Rubber

Which of the following statements is true about heat transfer?

• Heat flows from cold to hot

• Heat flows from hot to cold

• Heat does not flow between objects at different temperatures

• Heat flows only in solids