Temperature Scales Questions

Temperature Scales Questions

Multiple Choice Questions

1. Which temperature scale is primarily used in the United States for weather forecasting?

A) Kelvin

B) Celsius

C) Fahrenheit

D) Rankine


2. What is the freezing point of water on the Celsius scale?

A) 0°C

B) 32°C

C) 100°C

D) -32°C


3. Which temperature scale begins at absolute zero?

A) Fahrenheit

B) Celsius

C) Kelvin

D) Centigrade


4. At what temperature are the Fahrenheit and Celsius scales equal?

A) -32

B) -40

C) 0

D) 100


5. The boiling point of water on the Fahrenheit scale is:

A) 100°F

B) 273°F

C) 212°F

D) 180°F


6. What is 0 K in degrees Celsius?

A) -273.15°C

B) 0°C

C) 273°C

D) -459.67°C


7. What is the formula to convert Celsius to Fahrenheit?

A) (°C + 32) × 5/9

B) (°C × 9/5) + 32

C) (°C × 5/9) + 32

D) (°C – 32) × 9/5


8. Which scale is commonly used in science because it starts at absolute zero?

A) Celsius

B) Fahrenheit

C) Kelvin

D) Rankine


9. What is room temperature approximately in Celsius?

A) 50°C

B) 20°C

C) 0°C

D) 32°C


10. What is the Kelvin equivalent of 100°C?

A) 100 K

B) 212 K

C) 373 K

D) 273 K


11. What does absolute zero represent?

A) Freezing point of water

B) Boiling point of nitrogen

C) The lowest possible temperature

D) The average temperature of space


12. What is the Rankine scale primarily used for?

A) Scientific calculations in biology

B) Engineering applications in thermodynamics

C) Cooking temperature

D) Daily weather reporting


13. Which temperature scale uses the same degree size as Celsius but starts at absolute zero?

A) Fahrenheit

B) Kelvin

C) Rankine

D) Centigrade


14. What is the boiling point of water on the Kelvin scale?

A) 373.15 K

B) 273.15 K

C) 100 K

D) 212.00 K


15. Which of the following is NOT a real temperature scale?

A) Kelvin

B) Celsius

C) Radian

D) Rankine


16. Why do scientists prefer the Kelvin scale in physics?

A) It is used in the U.S.

B) It starts at the boiling point of water

C) It avoids negative numbers and starts at absolute zero

D) It has larger degrees


17. Which scale uses 180 degrees between freezing and boiling point of water?

A) Celsius

B) Kelvin

C) Rankine

D) Fahrenheit


18. How do you convert Celsius to Kelvin?

A) Add 273.15

B) Subtract 273.15

C) Multiply by 1.8

D) Divide by 1.8


19. Which temperature scale was originally defined using a mercury thermometer in ice and boiling water?

A) Kelvin

B) Celsius

C) Fahrenheit

D) Rankine


20. What is 25°C in Fahrenheit?

A) 75°F

B) 77°F

C) 80°F

D) 85°F

Temperature Scales Questions

Answer Key

  1. C) Fahrenheit
  2. A) 0°C
  3. C) Kelvin
  4. B) -40
  5. C) 212°F
  6. A) -273.15°C
  7. B) (°C × 9/5) + 32
  8. C) Kelvin
  9. B) 20°C
  10. C) 373 K
  11. C) The lowest possible temperature
  12. B) Engineering applications in thermodynamics
  13. B) Kelvin
  14. A) 373.15 K
  15. C) Radian
  16. C) It avoids negative numbers and starts at absolute zero
  17. D) Fahrenheit
  18. A) Add 273.15
  19. C) Fahrenheit
  20. B) 77°F

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Ronaldo Silva: Professor and Specialist in Science Teaching, from UFF/RJ, with more than 25 years of experience in teaching.

 
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