Heat and temperature concepts - One Line Questions

1. The boiling point of water at standard atmospheric pressure is: — 100°C
2. The freezing point of water at standard atmospheric pressure is: — 0°C
3. The Fahrenheit scale assigns 32°F to the freezing point of water and ___°F to its boiling point. — 212
4. If the temperature of an object is 300 K, what is its temperature in Celsius? — 27°C
5. The temperature of a human body is approximately: — 98.6°F
6. The Celsius scale assigns 0°C to the freezing point of water and ___°C to its boiling point. — 100
7. Which of the following is a common application of convection? — The circulation of air in a room due to a heater
8. Which instrument is used to measure temperature? — Thermometer
9. The temperature at which a gas becomes a liquid is called: — Condensation point
10. Which of the following is the SI unit of temperature? — Kelvin
11. Which temperature scale has absolute zero at 0? — Kelvin
12. What is the process by which heat is transferred through direct contact of particles? — Conduction
13. Which mode of heat transfer does not require a medium? — Radiation
14. What is the term for the transfer of heat through electromagnetic waves? — Radiation
15. Which of the following is NOT a method of heat transfer? — Friction
16. The process of heat transfer from the sun to the Earth occurs mainly by: — Radiation
17. Which process involves the transfer of heat by the movement of a fluid? — Convection
18. The heat transfer from the Earth's core to the surface primarily occurs through: — Conduction and convection
19. A thermos flask minimizes heat transfer by: — All three modes (conduction, convection, and radiation)
20. Which phenomenon explains why a metal spoon in hot soup becomes hot? — Conduction
21. Which of the following is the best thermal insulator? — Wood
22. The change of state from solid to liquid is called: — Melting
23. Which of these is a measure of the average kinetic energy of the particles in a substance? — Temperature
24. The process of evaporation causes cooling because: — Heat is absorbed
25. When ice melts, it absorbs heat from the surroundings, causing the surroundings to: — Cool down
26. A substance with low specific heat capacity will: — Heat up quickly
27. The shiny surface of a vacuum flask is designed to: — Reduce heat transfer by radiation
28. When water boils, its temperature: — Remains constant
29. Which substance has a very high specific heat capacity, making it useful for cooling systems? — Water
30. Absolute zero is the theoretical temperature at which molecular motion: — Ceases
31. The SI unit of specific heat capacity is: — J/kg·K
32. What is the relationship between Celsius (°C) and Kelvin (K) temperature scales? — K = °C + 273.15
33. The latent heat of fusion is associated with the transition between: — Solid and liquid
34. Heat is a form of: — Energy
35. The change of state from liquid to gas is called: — Boiling
36. Which of the following is a common application of conduction? — Cooking using a metal spoon
37. In which state of matter does convection occur most readily? — Liquid
38. The latent heat of vaporization is associated with the transition between: — Liquid and gas
39. Convection is the primary mode of heat transfer in: — Liquids and Gases
40. The amount of heat required to raise the temperature of 1 kg of a substance by 1°C is called its: — Heat capacity
41. A substance that expands significantly when heated has a high: — Coefficient of thermal expansion
42. Which of the following phenomena is an example of heat transfer by radiation? — Feeling the warmth of the sun
43. Latent heat is the heat absorbed or released during a: — Phase change
44. A substance that resists the flow of heat is called a: — Thermal insulator
45. A substance that transfers heat quickly is called a: — Thermal conductor
46. The device used to measure the amount of heat absorbed or released is called a: — Calorimeter
47. The SI unit of thermal conductivity is: — W/m·K
48. Which of the following is an example of sublimation? — Dry ice turning into carbon dioxide gas
49. The SI unit of heat energy is the: — Joule
50. Black surfaces are good absorbers of heat radiation. This is why: — We wear black clothes in winter
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