Heat Medium

Heat Quiz (Medium)

1. What is the process of heat transfer in fluids (liquids and gases) due to their movement called?

a) Conduction b) Convection c) Radiation

2. What is the specific heat capacity of a substance?

a) The heat required to raise the temperature of the substance by one degree Celsius b) The amount of heat required to melt the substance c) The heat required to evaporate the substance

3. Which of the following materials is an insulator of heat?

a) Glass b) Silver c) Brass

4. What is the transfer of heat energy through direct contact called?

a) Conduction b) Convection c) Radiation

5. What happens to the volume of an object when it is heated?

a) It decreases b) It increases c) It remains the same

6. What is the phenomenon of transfer of heat energy in the form of electromagnetic waves called?

a) Conduction b) Convection c) Radiation

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

a) Wood b) Plastic c) Copper

8. What is the phenomenon where a substance absorbs heat energy without a change in temperature or state?

a) Specific heat capacity b) Latent heat c) Thermal expansion

9. What is the process of conversion of a liquid into its vapor called?

a) Condensation b) Melting c) Evaporation

10. What is the temperature at which a substance changes from a liquid to a solid called?

a) Boiling point b) Freezing point c) Melting point