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1. What does 0 K represent on the Kelvin scale?
A. Freezing point of water
B. Boiling point of water
C. Absolute zero
D. Room temperature
2. What liquid is commonly used in traditional thermometers?
A. Water
B. Alcohol
C. Mercury
D. Glycerin
3. Which thermometer can be used without touching the person’s body?
A. Digital thermometer
B. Mercury thermometer
C. Infrared thermometer
D. Laboratory thermometer
4. What is the freezing point of water on the Celsius scale?
A. 10°C
B. 32°C
C. 0°C
D. -10°C
5. The Kelvin scale is mainly used in:
A. Daily temperature measurements
B. Scientific experiments
C. Weather forecasting
D. Human body temperature measurement
6. The temperature at which molecular motion stops is called:
A. Boiling point
B. Freezing point
C. Absolute zero
D. Room temperature
7. Which thermometer can measure a wider range of temperatures?
A. Clinical thermometer
B. Digital thermometer
C. Laboratory thermometer
D. Infrared thermometer
8. What happens to mercury in a thermometer when the temperature increases?
A. It expands
B. It contracts
C. It remains the same
D. It evaporates
10. Which of the following is NOT a common unit of temperature?
A. Kelvin
B. Joule
C. Celsius
D. Fahrenheit
11. What should you do to read the temperature correctly on a laboratory thermometer?
A. Tilt the thermometer slightly
B. Hold it upside down
C. Keep the thermometer vertical and look at eye level
D. Keep the thermometer horizontal
12. The boiling point of water on the Fahrenheit scale is:
A. 212°F
B. 200°F
C. 100°F
D. 150°F
13. Which thermometer is commonly used to measure air temperature?
A. Clinical thermometer
B. Room thermometer
C. Laboratory thermometer
D. Digital thermometer
14. What happens to a thermometer’s liquid level when it is cooled?
A. The liquid level rises
B. The liquid level falls
C. The liquid evaporates
D. The liquid remains unchanged
15. On which scale does water freeze at 32 degrees?
A. Kelvin
B. Celsius
C. Fahrenheit
D. None of the above
16. Which of the following liquids is sometimes used in thermometers instead of mercury?
A. Water
B. Alcohol
C. Glycerin
D. Oil
17. Why can’t a clinical thermometer be used to measure boiling water?
A. Its range is too small
B. It will break at high temperatures
C. It does not contain enough liquid
D. It is not long enough
18. How do you sterilize a clinical thermometer before use?
A. Place it in cold water
B. Wash it with soap and water
C. Heat it with a lighter
D. Shake it
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