Class 6 Science Chapter 7 MCQs

1. Temperature tells us how:
A. Heavy an object is
B. Hot or cold an object is
C. Long an object is
D. Fast an object moves
Answer: B

2. Which instrument is used to measure temperature?
A. Ruler
B. Thermometer
C. Compass
D. Balance
Answer: B

3. The SI unit of temperature is:
A. Degree Celsius (°C)
B. Kelvin (K)
C. Fahrenheit (°F)
D. Metre (m)
Answer: B

4. Which temperature scale is commonly used in daily life in India?
A. Kelvin
B. Celsius
C. Fahrenheit
D. Rankine
Answer: B

5. Normal human body temperature is approximately:
A. 25°C
B. 37°C
C. 50°C
D. 100°C
Answer: B

6. Water freezes at:
A. 0°C
B. 25°C
C. 50°C
D. 100°C
Answer: A

7. Water boils at standard atmospheric pressure at:
A. 50°C
B. 75°C
C. 100°C
D. 120°C
Answer: C

8. Which thermometer is commonly used to measure body temperature?
A. Clinical thermometer
B. Laboratory thermometer
C. Digital clock
D. Measuring tape
Answer: A

9. Which thermometer is mainly used in science laboratories?
A. Clinical thermometer
B. Laboratory thermometer
C. Wall clock
D. Spring balance
Answer: B

10. Before using a clinical thermometer, it should be:
A. Heated strongly
B. Shaken to bring the mercury level down (if applicable)
C. Washed with soap only
D. Broken carefully
Answer: B

11. Which of the following can measure temperature without mercury?
A. Digital thermometer
B. Wooden scale
C. Compass
D. Divider
Answer: A

12. Which of the following is the hottest?
A. 10°C
B. 25°C
C. 37°C
D. 100°C
Answer: D

13. Temperature is measured in:
A. Kilograms
B. Litres
C. Degrees
D. Metres
Answer: C

14. Which of the following is a safe way to measure body temperature?
A. Use a clean thermometer
B. Guess by touching
C. Place it near fire
D. Use a ruler
Answer: A

15. Temperature measurement is important because it helps us:
A. Monitor health and study heat-related changes
B. Measure distance
C. Count objects
D. Draw diagrams only
Answer: A