Last updated on September 2nd, 2024 at 10:53 pm
MCQ on Class 6 Science Temperature and its Measurement
If you are looking for MCQ on Class 6 Science Temperature and its Measurement, then you are at the right place.
What is the device used to measure temperature called?
- Barometer
- Hydrometer
- Thermometer
- Anemometer
Answer: c) Thermometer
What is the normal temperature of a healthy human body?
- 35.0°C
- 36.0°C
- 37.0°C
- 38.0°C
Answer: c) 37.0°C
Which of the following is the SI unit of temperature?
- Degree Celsius
- Degree Fahrenheit
- Kelvin
- Degree Kelvin
Answer: c) Kelvin
What is the Fahrenheit equivalent of 37.0°C?
- 96.8°F
- 97.6°F
- 98.6°F
- 99.6°F
Answer: c) 98.6°F
Which type of thermometer is used to measure human body temperature?
- Laboratory thermometer
- Clinical thermometer
- Room thermometer
- Digital thermometer
Answer: b) Clinical thermometer
What is the typical range of a laboratory thermometer?
- 0°C to 100°C
- -10°C to 110°C
- -20°C to 120°C
- 0°C to 50°C
Answer: b) -10°C to 110°C
Which of the following liquids is commonly used in laboratory thermometers?
- Water
- Oil
- Alcohol (colored red)
- Glycerin
Answer: c) Alcohol (colored red)
What precaution should be taken while using a clinical thermometer?
- Shake it before use
- Wash with soap and water before and after use
- Hold it by the bulb
- Tilt it while reading
Answer: b) Wash with soap and water before and after use
What is the correct way to read a thermometer?
- Hold it at eye level
- Tilt it slightly
- Remove it from the substance being measured
- Hold it upside down
Answer: a) Hold it at eye level
Who is known as the ‘Weather Woman of India’?
- Marie Curie
- Anna Mani
- Rosalind Franklin
- Jane Goodall
Answer: b) Anna Mani
What is the lowest temperature that can theoretically be achieved?
- -273.15°C
- -100°C
- 0°C
- 0 K
Answer: a) -273.15°C
What is the purpose of coloring the alcohol red in laboratory thermometers?
- To make it look attractive
- To make it easily visible
- To increase its boiling point
- To decrease its freezing point
Answer: b) To make it easily visible
What is the name of the scale that uses K as its unit?
- Celsius scale
- Fahrenheit scale
- Kelvin scale
- Réaumur scale
Answer: c) Kelvin scale
Which of the following temperatures is closest to room temperature?
- 10°C
- 20°C
- 30°C
- 40°C
Answer: b) 20°C
What is the correct symbol for degree Celsius?
- C
- °C
- C°
- Cel
Answer: b) °C
How is the Kelvin temperature scale related to the Celsius scale?
- K = °C + 273.15
- K = °C – 273.15
- K = °C 1.8 + 32
- K = (°C – 32) / 1.8
Answer: a) K = °C + 273.15
What is the freezing point of water on the Celsius scale?
- -32°C
- -10°C
- 0°C
- 32°C
Answer: c) 0°C
Which of the following is true about the temperature of melting ice?
- It increases steadily
- It decreases steadily
- It remains constant
- It fluctuates randomly
Answer: c) It remains constant
What type of thermometer is typically used to measure outdoor air temperature?
- Clinical thermometer
- Laboratory thermometer
- Maximum-minimum thermometer
- Infrared thermometer
Answer: c) Maximum-minimum thermometer
What is the main advantage of a digital clinical thermometer over a mercury thermometer?
- It’s more accurate
- It’s easier to read
- It’s less likely to break
- All of the above
Answer: d) All of the above
What is the normal range of human body temperature?
- 35°C to 37°C
- 36°C to 38°C
- 35°C to 42°C
- 32°C to 40°C
Answer: c) 35°C to 42°C
What happens to the liquid column in a thermometer when it’s placed in a hotter substance?
- It rises
- It falls
- It remains stationary
- It disappears
Answer: a) It rises
What is the purpose of the narrow tube in a thermometer?
- To make the thermometer longer
- To amplify the movement of the liquid
- To make the thermometer easier to hold
- To reduce the amount of liquid needed
Answer: b) To amplify the movement of the liquid
Which of the following is true about the temperature scale on a thermometer?
- It’s always linear
- It’s always logarithmic
- It depends on the type of thermometer
- It’s always exponential
Answer: a) It’s always linear
What is the approximate core temperature of the Sun?
- 1,500°C
- 15,000°C
- 150,000°C
- 15,000,000°C
Answer: d) 15,000,000°C
What does the term ‘absolute zero’ refer to?
- 0°C
- 0°F
- 0 K
- The temperature at which all molecular motion ceases
Answer: d) The temperature at which all molecular motion ceases
Which of the following is true about the relationship between Celsius and Fahrenheit scales?
- They have the same zero point
- They have the same 100-degree point
- They intersect at -40°
- They are exactly the same
Answer: c) They intersect at -40°
What is the main difference between a clinical thermometer and a laboratory thermometer?
- The range of temperatures they can measure
- The liquid used inside
- The material they’re made of
- The way they’re held
Answer: a) The range of temperatures they can measure
Which of the following is NOT a valid temperature?
- -10 K
- -10°C
- -10°F
- 10°C
Answer: a) -10 K
What is the primary purpose of measuring body temperature?
- To determine overall health
- To diagnose specific diseases
- To check for fever
- To measure metabolism rate
Answer: c) To check for fever
Which of the following would likely have the highest temperature?
- A cup of hot coffee
- A fever
- Boiling water
- A warm summer day
Answer: c) Boiling water
What is the typical temperature difference between the armpit and oral temperature measurements?
- 0.1°C to 0.2°C
- 0.5°C to 1°C
- 1°C to 2°C
- 2°C to 3°C
Answer: b) 0.5°C to 1°C
Which of the following is NOT a valid way to express temperature?
- 98.6°F
- 310 K
- 37°C
- 37 C°
Answer: d) 37 C°
What is the main advantage of using the Kelvin scale in scientific work?
- It’s easier to read
- It has no negative values
- It’s more accurate
- It’s used in everyday life
Answer: b) It has no negative values
What is the purpose of the constriction in a clinical thermometer?
- To make it easier to hold
- To increase accuracy
- To prevent the mercury from falling back into the bulb
- To make it easier to read
Answer: c) To prevent the mercury from falling back into the bulb
Which of the following is true about the temperature of boiling water?
- It increases steadily
- It decreases steadily
- It remains constant
- It fluctuates randomly
Answer: c) It remains constant
What is the main reason for not using mercury in modern clinical thermometers?
- It’s too expensive
- It’s not accurate enough
- It’s toxic if the thermometer breaks
- It doesn’t expand uniformly with temperature
Answer: c) It’s toxic if the thermometer breaks
What is the primary purpose of weather stations measuring air temperature?
- To control the climate
- To make weather forecasts
- To regulate air conditioning systems
- To measure global warming
Answer: b) To make weather forecasts
