- 1. Which of the following materials is a good conductor of heat?
A) Glass
B) Plastic
C) Metal
D) Wood
- 2. Which law of thermodynamics states that energy cannot be created or destroyed, only transformed?
A) First law
B) Third law
C) Zeroth law
D) Second law
- 3. What is the process of heat transfer through direct contact called?
A) Convection
B) Reflection
C) Radiation
D) Conduction
- 4. Which color is the best emitter of heat radiation?
A) White
B) Red
C) Blue
D) Black
- 5. Which material is commonly used as insulation to reduce heat transfer?
A) Fiberglass
B) Steel
C) Copper
D) Aluminum
- 6. What process involves heat being transferred by the movement of fluids or gases?
A) Radiation
B) Convection
C) Evaporation
D) Conduction
- 7. The transfer of heat energy by electromagnetic waves is known as?
A) Conduction
B) Convection
C) Radiation
D) Evaporation
- 8. What is the SI unit of temperature?
A) Rankine
B) Celsius
C) Fahrenheit
D) Kelvin
- 9. Which substance has the highest specific heat capacity?
A) Copper
B) Water
C) Iron
D) Aluminum
- 10. Which law of thermodynamics states that energy tends to disperse or spread out over time?
A) First law
B) Third law
C) Second law
D) Zeroth law
- 11. What effect does adding salt have on the boiling point of water?
A) Decreases
B) No effect
C) Solidifies
D) Increases
- 12. Which principle states that heat will naturally flow from a warmer object to a cooler object?
A) Boyle's law
B) Second law of thermodynamics
C) Newton's first law
D) Archimedes' principle
- 13. What is the term for the study of heat and its transformation into mechanical energy?
A) Kinematics
B) Thermodynamics
C) Hydrodynamics
D) Aerodynamics
- 14. What is the amount of heat energy required to raise the temperature of one unit mass of a substance by one degree Celsius?
A) Latent heat of fusion
B) Latent heat of vaporization
C) Heat of combustion
D) Specific heat capacity
- 15. Which device measures temperature based on the change in electrical resistance of a metal?
A) Bimetallic strip
B) Thermocouple
C) Thermistor
D) Mercury thermometer
- 16. What is the process by which heat is removed from the interior of a refrigerator?
A) Evaporation
B) Sublimation
C) Condensation
D) Refrigeration
- 17. Which law of thermodynamics states that as absolute temperature approaches zero, the entropy of a system approaches a minimum value?
A) Second law
B) First law
C) Third law
D) Zeroth law
- 18. What is the lowest theoretical temperature at which all molecular motion ceases known as?
A) Freezing point
B) Absolute zero
C) Critical point
D) Boiling point
- 19. What is the process by which a substance changes from a solid to a liquid?
A) Evaporation
B) Melting
C) Vaporization
D) Condensation
- 20. What is the process by which a substance changes from a gas to a liquid?
A) Sublimation
B) Condensation
C) Deposition
D) Melting
- 21. Which of the following is a measure of the average kinetic energy of the particles in a substance?
A) Density
B) Temperature
C) Pressure
D) Volume
- 22. What is the process by which a substance changes directly from a solid to a gas without passing through the liquid phase?
A) Evaporation
B) Sublimation
C) Condensation
D) Deposition
- 23. What is the process where a substance changes from a liquid to a gas at a temperature below its boiling point?
A) Vaporization
B) Boiling
C) Condensation
D) Evaporation
- 24. What is the process by which a substance changes from a gas to a solid without passing through the liquid phase?
A) Sublimation
B) Deposition
C) Evaporation
D) Condensation
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