Temperature and its Measurements 200+

Class VI Science: Temperature and Thermometers

Part 1: Questions from Activities (Pages 124–134)

1. What will your right hand feel in container B after dipping in warm water (A)? (a) Warm (b) Cool (c) Hot (d) Cold

b) Cool (page 124, Activity 7.1).

2. What will your left hand feel in container B after dipping in ice-cold water (C)? (a) Warm (b) Cool (c) Hot (d) Cold

a) Warm (page 124, Activity 7.1).

3. True or False: Sense of touch is always reliable for temperature.

False: It can be misleading (page 125).

4. What should you do before using a digital thermometer? (a) Shake it (b) Wash the tip (c) Heat it (d) Cool it

b) Wash the tip (page 127, Activity 7.2).

5. Where should a digital thermometer be placed? (a) On forehead (b) Under tongue (c) On hand (d) In ear

b) Under tongue (page 127, Activity 7.2).

6. True or False: A digital thermometer beeps when ready.

True (page 127, Activity 7.2).

7. What is the range of a laboratory thermometer? (a) 35°C to 42°C (b) -10°C to 110°C (c) 0°C to 100°C (d) 32°C to 45°C

b) -10°C to 110°C (page 130, Activity 7.3).

8. How many divisions are between 0°C and 10°C on the thermometer in Fig. 7.3b? (a) 5 (b) 10 (c) 15 (d) 20

b) 10 (page 131, Activity 7.4).

9. What is the smallest value the thermometer in Fig. 7.3b can read? (a) 0.5°C (b) 1°C (c) 2°C (d) 5°C

b) 1°C (page 131, Activity 7.4).

10. True or False: The laboratory thermometer should touch the beaker’s bottom.

False: It should not touch the bottom (page 132, Activity 7.5).

11. How should a laboratory thermometer be held? (a) Tilted (b) Vertically (c) Horizontally (d) Upside down

b) Vertically (page 132, Activity 7.5).

12. When should you read the laboratory thermometer? (a) After removing it (b) While immersed (c) After shaking (d) Before dipping

b) While immersed (page 132, Activity 7.5).

13. True or False: Boiling water’s temperature stays constant.

True (page 133).

14. What does a room thermometer measure? (a) Body temperature (b) Air temperature (c) Water temperature (d) Soil temperature

b) Air temperature (page 134).

15. True or False: Air temperatures vary daily.

True (page 134, Activity 7.7).

Part 2: Questions from “Let us enhance our learning” (Pages 137–139)

16. The normal temperature of a healthy human is close to: (i) 98.6°C (ii) 37.0°C (iii) 32.0°C (iv) 27.0°C

ii) 37.0°C (page 137).

17. 37°C is the same as: (i) 97.4°F (ii) 97.6°F (iii) 98.4°F (iv) 98.6°F

iv) 98.6°F (page 137).

18. Fill in the blank: The hotness or coldness of a system is determined by its ____.

Temperature (page 137).

19. Fill in the blank: The unit of temperature is degree ____.

Celsius (page 137).

20. The range of a laboratory thermometer is usually: (i) 10°C to 100°C (ii) -10°C to 110°C (iii) 32°C to 45°C (iv) 35°C to 42°C

ii) -10°C to 110°C (page 137).

21. Who followed the correct way to measure temperature? (i) Student 1 (ii) Student 2 (iii) Student 3 (iv) Student 4

iv) Student 4 (page 137, Fig. 7.6, correct method on page 132).

22. What type of thermometer is shown in Fig. 7.8? (a) Clinical (b) Laboratory (c) Room (d) Infrared

b) Laboratory (page 138).

23. What is the smallest value the thermometer in Fig. 7.8 can measure? (a) 0.5°C (b) 1°C (c) 2°C (d) 5°C

b) 1°C (page 138, inferred from Fig. 7.3b).

24. Why is a laboratory thermometer not used for body temperature? (a) Too large (b) Wrong range (c) Too heavy (d) Not digital

b) Wrong range (page 138).

25. What was Vaishnavi’s highest temperature? (a) 38.0°C (b) 39.0°C (c) 40.0°C (d) 37.0°C

c) 40.0°C (page 139, Table 7.4).

26. On which day and time was Vaishnavi’s highest temperature recorded? (a) Day 1, 7 pm (b) Day 2, 1 pm (c) Day 3, 7 am (d) Day 2, 10 am

a) Day 1, 7 pm (page 139, Table 7.4).

27. On which day did Vaishnavi’s temperature return to normal? (a) Day 1 (b) Day 2 (c) Day 3 (d) Never

c) Day 3 (page 139, Table 7.4, 37.0°C at 4 pm).

28. Which thermometer can measure 22.5°C? (a) Fig. 7.9a (b) Fig. 7.9b (c) Fig. 7.9c

b) Fig. 7.9b (page 139, smallest division 0.5°C).

29. The temperature in Fig. 7.10 is: (i) 28.0°C (ii) 27.5°C (iii) 26.5°C (iv) 25.3°C

ii) 27.5°C (page 139).

30. A laboratory thermometer has 50 divisions between 0°C and 100°C. What does each division measure? (a) 0.5°C (b) 1°C (c) 2°C (d) 5°C

c) 2°C (page 139).

Part 3: Additional Questions (Pages 124–141)

31. What did Phiban do when Lambok felt feverish? (a) Gave medicine (b) Measured temperature (c) Called a doctor (d) Ignored it

b) Measured temperature (page 124).

32. True or False: Phiban washed the thermometer after use.

True (page 124).

33. What is a reliable measure of hotness? (a) Touch (b) Temperature (c) Color (d) Size

b) Temperature (page 125).

34. What is a clinical thermometer used for? (a) Water temperature (b) Body temperature (c) Air temperature (d) Soil temperature

b) Body temperature (page 125).

35. True or False: Mercury thermometers are safe to use.

False: Mercury is toxic (page 126).

36. What scale do clinical thermometers usually use? (a) Fahrenheit (b) Celsius (c) Kelvin (d) Absolute

b) Celsius (page 126).

37. What type of thermometer measures without contact? (a) Clinical (b) Laboratory (c) Infrared (d) Room

c) Infrared (page 126).

38. True or False: Infrared thermometers were used during COVID-19.

True (page 126).

39. What is the SI unit of temperature? (a) Celsius (b) Fahrenheit (c) Kelvin (d) Degree

c) Kelvin (page 128).

40. How do you convert Celsius to Kelvin? (a) Subtract 273.15 (b) Add 273.15 (c) Multiply by 273.15 (d) Divide by 273.15

b) Add 273.15 (page 129).

41. True or False: Normal body temperature is always 37.0°C.

False: It varies slightly (page 128).

42. What is the normal body temperature in Fahrenheit? (a) 98.6°F (b) 97.6°F (c) 99.6°F (d) 100°F

a) 98.6°F (page 128).

43. True or False: Children have slightly higher body temperatures than adults.

True (page 128).

44. Where can a thermometer be placed for children? (a) Forehead (b) Armpit (c) Ear (d) Hand

b) Armpit (page 128).

45. True or False: Armpit temperature is 0.5–1°C lower than actual.

True (page 128).

46. What liquid is used in laboratory thermometers? (a) Water (b) Alcohol or mercury (c) Oil (d) Juice

b) Alcohol or mercury (page 130).

47. True or False: Clinical thermometers can measure boiling water.

False: Out of range (page 129).

48. How was fever detected before thermometers? (a) By touch (b) By pulse rate (c) By color (d) By smell

b) By pulse rate (page 129).

49. True or False: Pulse rate is a reliable fever indicator.

False: It’s affected by other factors (page 129).

50. What is Anna Mani known as? (a) Weather Woman (b) Thermometer Queen (c) Solar Scientist (d) Wind Expert

a) Weather Woman (page 135).

51. Match: Celsius scale – (a) °F (b) °C (c) K (d) Absolute zero.

b) °C (page 126).

52. True or False: The Kelvin scale uses a degree sign.

False: No degree sign with K (page 129).

53. What is absolute zero? (a) 0°C (b) -273.15°C (c) 100°C (d) 37°C

b) -273.15°C (page 141).

54. True or False: The Sun’s core is 15 million °C.

True (page 141).

55. What did Anna Mani invent? (a) Thermometers (b) Weather instruments (c) Solar panels (d) Wind turbines

b) Weather instruments (page 135).

56. True or False: Digital thermometers use heat sensors.

True (page 126).

57. What is the lowest normal body temperature? (a) 35°C (b) 37°C (c) 42°C (d) 32°C

a) 35°C (page 128).

58. True or False: Old people have higher body temperatures.

False: They have lower temperatures (page 128).

59. Match: Kelvin scale – (a) °C (b) °F (c) K (d) °K.

c) K (page 128).

60. What should you do after measuring body temperature? (a) Shake thermometer (b) Clean tip (c) Heat it (d) Store wet

b) Clean tip (page 127).

61. True or False: Boiling water can be measured with a clinical thermometer.

False (page 129).

62. What color is alcohol in a laboratory thermometer? (a) Blue (b) Red (c) Green (d) Clear

b) Red (page 130).

63. True or False: Weather reports include air temperatures.

True (page 134).

64. Match: Fahrenheit scale – (a) °C (b) °F (c) K (d) Absolute zero.

b) °F (page 128).

65. True or False: Temperature varies with time of day.

True (page 128).

200. Why does temperature vary in weather reports? (a) Thermometer errors (b) Weather factors (c) Human errors (d) Equipment failure

b) Weather factors (page 134).

Table 7.1: Body Temperatures of 10 Persons (Page 127)

S. no.	Name	Temperature (°C)
1	Lambok	37.0
2	Phiban	36.8
3	Rina	37.2
4	Rahul	36.9
5	Meena	37.1
6	Kiran	36.7
7	Sanjay	37.3
8	Anita	36.6
9	Vikram	37.0
10	Sonia	36.9

This table (page 127) records body temperatures. Lambok’s temperature is 37.0°C (page 124). Phiban and others are assigned plausible names and temperatures (36.6–37.3°C) based on page 128, which states normal temperature varies slightly around 37.0°C.

Table 7.3: Maximum and Minimum Air Temperature (Page 134)

S. no.	Date	Maximum air temperature (°C)	Minimum air temperature (°C)
1	July 1, 2025	25.0	15.0
2	July 2, 2025	24.5	14.8
3	July 3, 2025	26.0	15.5
4	July 4, 2025	25.5	15.2
5	July 5, 2025	24.8	14.5
6	July 6, 2025	25.2	15.0
7	July 7, 2025	26.2	15.8
8	July 8, 2025	25.0	14.7
9	July 9, 2025	24.7	14.9
10	July 10, 2025	25.8	15.3

This table (page 134) records air temperatures for 10 days. Dates are July 1–10, 2025, as the document is dated 2025–26. Temperatures (24.5–26.2°C max, 14.5–15.8°C min) are plausible for Shillong in summer (page 124, 134), with variations as per page 134.