Heat, temperature, and thermodynamics MCQs in Everyday Science

By: Prof. Dr. Fazal Rehman | Last updated: May 19, 2025

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1. : What is the SI unit of temperature?



2. : What is the process called when heat is transferred through a fluid (liquid or gas) due to the movement of the fluid itself?



3. : What is the principle behind a thermos bottle’s ability to keep liquids hot or cold?



4. : What is the temperature at which water boils under standard atmospheric pressure (1 atm)?



5. : Which law of thermodynamics states that energy cannot be created or destroyed, only transformed?



6. : What is the specific heat capacity of a substance?



7. : In which mode of heat transfer does heat travel through electromagnetic waves?



8. : What is the term for the process of heat transfer through direct contact of particles in solids?



9. : What is the effect of increasing the temperature on the kinetic energy of molecules in a substance?



10. : What does the Second Law of Thermodynamics state about entropy?



11. : What is the main difference between heat and temperature?



12. : Which substance has the highest specific heat capacity among the following?



13. : What is latent heat?



14. : What is the temperature at which all molecular motion ceases, according to the third law of thermodynamics?



15. : What happens to the volume of most gases when their temperature is increased at constant pressure?



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