Temperature 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).

16. What should you observe in Activity 7.1? (a) Color of water (b) Hand feelings (c) Water volume (d) Container size

b) Hand feelings (page 124, Activity 7.1).

17. True or False: You should reset the digital thermometer before use.

True (page 127, Activity 7.2).

18. What is the lowest temperature a laboratory thermometer can measure? (a) 0°C (b) -10°C (c) 35°C (d) 100°C

b) -10°C (page 130, Activity 7.3).

19. True or False: The liquid column falls when the thermometer is removed from water.

True (page 132, Activity 7.5).

20. What should you record in Activity 7.7? (a) Water temperatures (b) Air temperatures (c) Body temperatures (d) Soil temperatures

b) Air temperatures (page 134, Activity 7.7).

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

21. 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).

22. 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).

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

Temperature (page 137).

24. Fill in the blank: The temperature of ice-cold water cannot be measured by a ____ thermometer.

Clinical (page 137).

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

Celsius (page 137).

26. 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).

27. 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).

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

b) Laboratory (page 138).

29. What is the reading of the thermometer in Fig. 7.8? (a) 25°C (b) 27°C (c) 30°C (d) Unknown

d) Unknown (page 138, not specified).

30. 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).

31. 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).

32. 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).

33. 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).

34. 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).

35. 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).

36. 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).

37. 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).

38. What is the smallest division of a thermometer reading 0.5°C between 10°C and 20°C?

0.5°C (page 139).

39. If Komal has a fever of 101 degrees, which scale is likely? (a) Celsius (b) Fahrenheit (c) Kelvin (d) Absolute

b) Fahrenheit (page 139, 101°F is fever, not 101°C).

Part 3: Additional Questions (Pages 124–141)

40. 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).

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

True (page 124).

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

b) Temperature (page 125).

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

b) Body temperature (page 125).

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

False: Mercury is toxic (page 126).

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

b) Celsius (page 126).

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

c) Infrared (page 126).

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

True (page 126).

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

c) Kelvin (page 128).

49. 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).

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

False: It varies slightly (page 128).

51. 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).

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

True (page 128).

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

b) Armpit (page 128).

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

True (page 128).

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

b) Alcohol or mercury (page 130).

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

False: Out of range (page 129).

57. 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).

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

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

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

a) Weather Woman (page 135).

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

b) °C (page 126).

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

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

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

b) -273.15°C (page 141).

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

True (page 141).

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

b) Weather instruments (page 135).

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

True (page 126).

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

a) 35°C (page 128).

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

False: They have lower temperatures (page 128).

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

c) K (page 128).

69. 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).

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

False (page 129).

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

b) Red (page 130).

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

True (page 134).

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

b) °F (page 128).

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

True (page 128).

75. What is the highest normal body temperature? (a) 35°C (b) 37°C (c) 42°C (d) 40°C

c) 42°C (page 128).

76. True or False: The Celsius scale is named after a scientist.

True (page 129).

77. What does a digital thermometer use to measure temperature? (a) Mercury (b) Alcohol (c) Heat sensors (d) Water

c) Heat sensors (page 126).

78. True or False: Mercury thermometers are being replaced by digital ones.

True (page 126).

79. Match: Clinical thermometer – (a) Measures air (b) Measures body (c) Measures soil (d) Measures water.

b) Measures body (page 125).

80. What is the temperature of boiling water? (a) 0°C (b) 100°C (c) 50°C (d) 37°C

b) 100°C (page 133).

81. True or False: Ice temperature stays constant while melting.

True (page 133).

82. Why do students get different temperature readings? (a) Different thermometers (b) Incorrect method (c) Different water (d) Different times

b) Incorrect method (page 134).

83. True or False: Anna Mani explored solar energy.

True (page 135).

84. Match: Laboratory thermometer – (a) -10°C to 110°C (b) 35°C to 42°C (c) 0°C to 100°C (d) 32°C to 45°C.

a) -10°C to 110°C (page 130).

85. True or False: Weather stations monitor air temperature.

True (page 134).

86. What did Phiban use to check Lambok’s fever? (a) Stethoscope (b) Thermometer (c) Pulse meter (d) Blood test

b) Thermometer (page 124).

87. True or False: Matka water is cooler than tap water in summer.

True (page 124).

88. What powers a digital clinical thermometer? (a) Solar (b) Battery (c) Wind (d) Manual

b) Battery (page 125).

89. True or False: Fahrenheit is used in scientific studies.

False (page 128).

90. Match: Absolute zero – (a) 0°C (b) -273.15°C (c) 100°C (d) 37°C.

b) -273.15°C (page 141).

91. True or False: Temperature scales are named after scientists.

True (page 129).

92. What is the temperature of ice? (a) 0°C (b) 100°C (c) 37°C (d) -10°C

a) 0°C (page 133).

93. True or False: A full stop is used after °C.

False: Except at sentence end (page 129).

94. Match: Room thermometer – (a) Measures body (b) Measures air (c) Measures water (d) Measures soil.

b) Measures air (page 134).

95. True or False: Anna Mani reduced India’s reliance on foreign instruments.

True (page 135).

96. What does one small division indicate in Fig. 7.3b? (a) 0.5°C (b) 1°C (c) 2°C (d) 5°C

b) 1°C (page 131).

97. True or False: The eye should be in line with the liquid column when reading a thermometer.

True (page 132).

98. Match: Infrared thermometer – (a) Contact-based (b) Non-contact (c) Laboratory (d) Clinical.

b) Non-contact (page 126).

99. True or False: Body temperature varies with activity level.

True (page 128).

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

b) 35°C to 42°C (page 137).

101. True or False: The temperature of planets decreases with distance from the Sun.

True: Generally, but exceptions exist (page 140).

102. What should you do to measure animal body temperature? (a) Use a clinical thermometer (b) Visit a veterinary hospital (c) Use a laboratory thermometer (d) Use a room thermometer

b) Visit a veterinary hospital (page 140).

103. True or False: The smallest division of a thermometer can vary.

True (page 131).

104. Match: Anna Mani – (a) Weather Woman (b) Thermometer Inventor (c) Solar Panel Designer (d) Wind Turbine Expert.

a) Weather Woman (page 135).

105. True or False: There is no limit to the highest temperature.

True (page 141).

106. What is the temperature at the Sun’s core? (a) 15 million °C (b) 100°C (c) 37°C (d) 0°C

a) 15 million °C (page 141).

107. True or False: A laboratory thermometer uses a red liquid column.

True: If alcohol is used (page 130).

108. Match: Boiling water – (a) 0°C (b) 100°C (c) 37°C (d) -10°C.

b) 100°C (page 133).

109. True or False: The thermometer should be tilted when measuring water temperature.

False (page 132).

110. What should you compare in Activity 7.1? (a) Predictions and observations (b) Water colors (c) Container sizes (d) Hand sizes

a) Predictions and observations (page 125).

111. True or False: Digital thermometers are safer than mercury ones.

True (page 126).

112. What is used to make alcohol visible in thermometers? (a) Blue dye (b) Red dye (c) Green dye (d) Yellow dye

b) Red dye (page 130).

113. True or False: The Fahrenheit scale is common in scientific studies.

False (page 128).

114. Match: Ice temperature – (a) 0°C (b) 100°C (c) 37°C (d) -10°C.

a) 0°C (page 133).

115. True or False: A space is left between the number and temperature unit.

True (page 129).

116. What does a laboratory thermometer’s bulb contain? (a) Water (b) Alcohol or mercury (c) Air (d) Oil

b) Alcohol or mercury (page 130).

117. True or False: Vaishnavi’s temperature was normal on Day 2.

False (page 139, Table 7.4).

118. Match: Digital thermometer – (a) Uses mercury (b) Uses heat sensors (c) Uses alcohol (d) Uses water.

b) Uses heat sensors (page 126).

119. True or False: Air temperature is used in weather forecasts.

True (page 134).

120. What is the purpose of Activity 7.7? (a) Measure body temperature (b) Analyze air temperature (c) Test water temperature (d) Check soil temperature

b) Analyze air temperature (page 134).

121. True or False: The thermometer in Fig. 7.3a has a range of -10°C to 110°C.

True (page 130).

122. What should you do in Activity 7.2? (a) Measure air temperature (b) Measure body temperature (c) Measure water temperature (d) Measure soil temperature

b) Measure body temperature (page 127).

123. True or False: The temperature of ice-cold water is 0°C.

True (page 133).

124. Match: Normal body temperature – (a) 37°C (b) 100°C (c) 0°C (d) -10°C.

a) 37°C (page 128).

125. True or False: The thermometer should be read after removing it from water.

False (page 132).

126. What is the temperature difference between two bigger marks in Fig. 7.3b? (a) 5°C (b) 10°C (c) 15°C (d) 20°C

b) 10°C (page 131).

127. True or False: Anna Mani worked on wind energy.

True (page 135).

128. Match: SI unit – (a) Celsius (b) Fahrenheit (c) Kelvin (d) Degree.

c) Kelvin (page 128).

129. True or False: The Kelvin scale is used in scientific studies.

True (page 128).

130. What should you do before dipping a laboratory thermometer? (a) Shake it (b) Check the range (c) Heat it (d) Cool it

b) Check the range (page 131).

131. True or False: The thermometer’s bulb should touch the beaker’s sides.

False (page 132).

132. What is the purpose of Activity 7.3? (a) Measure body temperature (b) Find thermometer range (c) Test water temperature (d) Analyze air temperature

b) Find thermometer range (page 130).

133. True or False: The temperature of boiling water is 100°C.

True (page 133).

134. Match: Weather reports – (a) Body temperature (b) Air temperature (c) Water temperature (d) Soil temperature.

b) Air temperature (page 134).

135. True or False: The temperature rises in summer.

True (page 134).

136. What is the purpose of Activity 7.4? (a) Measure body temperature (b) Find smallest division (c) Test water temperature (d) Analyze air temperature

b) Find smallest division (page 131).

137. True or False: The thermometer in Fig. 7.9b can measure 22.5°C.

True (page 139).

138. Match: Pulse rate – (a) Reliable fever indicator (b) Unreliable fever indicator (c) Measures temperature (d) Measures air.

b) Unreliable fever indicator (page 129).

139. True or False: The temperature falls in winter.

True (page 134).

140. What should you do in Activity 7.5? (a) Measure body temperature (b) Measure warm water (c) Measure air temperature (d) Measure soil temperature

b) Measure warm water (page 132).

141. True or False: The thermometer in Fig. 7.3b has 10 divisions between 0°C and 10°C.

True (page 131).

142. Match: Mercury – (a) Safe (b) Toxic (c) Used in digital thermometers (d) Used in room thermometers.

b) Toxic (page 126).

143. True or False: The temperature of a healthy person can vary slightly.

True (page 128).

144. What is the purpose of a room thermometer? (a) Measure body temperature (b) Measure air temperature (c) Measure water temperature (d) Measure soil temperature

b) Measure air temperature (page 134).

145. True or False: The thermometer in Fig. 7.9a can measure 22.5°C.

False (page 139, requires 0.5°C divisions).

146. Match: Vaishnavi’s highest temperature – (a) 37°C (b) 38°C (c) 39°C (d) 40°C.

d) 40°C (page 139).

147. True or False: The thermometer in Fig. 7.10 reads 27.5°C.

True (page 139).

148. What is the temperature of melting ice? (a) 0°C (b) 100°C (c) 37°C (d) -10°C

a) 0°C (page 133).

149. True or False: The thermometer in Fig. 7.9c can measure 22.5°C.

False (page 139, requires 0.5°C divisions).

150. Match: 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).

151. True or False: The thermometer should be held vertically.

True (page 132).

152. What is the smallest division of a thermometer with 50 divisions between 0°C and 100°C? (a) 0.5°C (b) 1°C (c) 2°C (d) 5°C

c) 2°C (page 139).

153. True or False: The thermometer in Fig. 7.8 is a laboratory thermometer.

True (page 138).

154. Match: Thermometer range – (a) -10°C to 110°C (b) 35°C to 42°C (c) 0°C to 100°C (d) 32°C to 45°C.

a) -10°C to 110°C (page 130).

155. True or False: The thermometer in Fig. 7.3b reads 1°C per division.

True (page 131).

156. What is the purpose of Activity 7.1? (a) Measure temperature (b) Test touch reliability (c) Analyze air temperature (d) Check water volume

b) Test touch reliability (page 124).

157. True or False: The thermometer in Fig. 7.9b has a smallest division of 0.5°C.

True (page 139).

158. Match: Weather Woman – (a) Phiban (b) Anna Mani (c) Vaishnavi (d) Lambok.

b) Anna Mani (page 135).

159. True or False: The thermometer in Fig. 7.10 reads 28.0°C.

False (page 139).

160. What is the temperature of a healthy person? (a) 37°C (b) 100°C (c) 0°C (d) -10°C

a) 37°C (page 128).

161. True or False: The thermometer in Fig. 7.3a is a clinical thermometer.

False (page 130).

162. Match: Infrared thermometer – (a) Measures body (b) Measures air (c) Non-contact (d) Contact-based.

c) Non-contact (page 126).

163. True or False: The thermometer in Fig. 7.9a has a smallest division of 0.5°C.

False (page 139).

164. What is the temperature of boiling water in Fahrenheit? (a) 212°F (b) 98.6°F (c) 32°F (d) 100°F

a) 212°F (inferred, page 128).

165. True or False: The thermometer in Fig. 7.9c has a smallest division of 0.5°C.

False (page 139).

166. Match: Vaishnavi’s normal temperature day – (a) Day 1 (b) Day 2 (c) Day 3 (d) Never.

c) Day 3 (page 139).

167. True or False: The thermometer in Fig. 7.8 reads 0.5°C per division.

False (page 138).

168. What is the purpose of a veterinary hospital visit? (a) Measure human temperature (b) Measure animal temperature (c) Measure air temperature (d) Measure water temperature

b) Measure animal temperature (page 140).

169. True or False: The thermometer in Fig. 7.10 reads 26.5°C.

False (page 139).

170. Match: Sun’s core – (a) 15 million °C (b) 100°C (c) 37°C (d) 0°C.

a) 15 million °C (page 141).

171. True or False: The thermometer in Fig. 7.3b reads 0.5°C per division.

False (page 131).

172. What is the temperature of ice in Fahrenheit? (a) 32°F (b) 212°F (c) 98.6°F (d) 0°F

a) 32°F (inferred, page 128).

173. True or False: The thermometer in Fig. 7.10 reads 25.3°C.

False (page 139).

174. Match: Thermometer bulb – (a) Contains water (b) Contains alcohol or mercury (c) Contains air (d) Contains oil.

b) Contains alcohol or mercury (page 130).

175. True or False: The thermometer in Fig. 7.9b is a clinical thermometer.

False (page 139).

176. What is the purpose of Activity 7.2? (a) Measure air temperature (b) Measure body temperature (c) Measure water temperature (d) Measure soil temperature

b) Measure body temperature (page 127).

177. True or False: The thermometer in Fig. 7.10 reads 28.0°C.

False (page 139, Fig. 7.10 reads 27.5°C).

178. What is the purpose of Activity 7.6? (Short Answer)

To measure the temperature of boiling water using a laboratory thermometer (page 133).

179. True or False: The thermometer in Fig. 7.9a is a laboratory thermometer.

True (page 139).

180. Match: Digital clinical thermometer – (a) Uses mercury (b) Uses battery (c) Uses alcohol (d) Uses water.

b) Uses battery (page 125).

181. True or False: The thermometer in Fig. 7.9c is a clinical thermometer.

False (page 139).

182. What is the temperature of normal body temperature in Kelvin? (a) 273.15 K (b) 310.15 K (c) 373.15 K (d) 298.15 K

b) 310.15 K (page 129, 37°C + 273.15).

183. True or False: The thermometer should be shaken before use in Activity 7.5.

False (page 132).

184. Match: Anna Mani – (a) Invented thermometers (b) Invented weather instruments (c) Invented solar panels (d) Invented wind turbines.

b) Invented weather instruments (page 135).

185. True or False: The thermometer in Fig. 7.3a reads 0.5°C per division.

False (page 130).

186. What is the purpose of checking the thermometer range in Activity 7.3? (Short Answer)

To ensure it is suitable for the experiment (page 130).

187. True or False: The thermometer in Fig. 7.8 reads 1°C per division.

True (page 138).

188. Match: Boiling water temperature – (a) 212°F (b) 98.6°F (c) 32°F (d) 0°F.

a) 212°F (inferred, page 128).

189. True or False: The thermometer should be held horizontally in Activity 7.5.

False (page 132).

190. What is the temperature of ice-cold water in Fahrenheit? (a) 32°F (b) 212°F (c) 98.6°F (d) 0°F

a) 32°F (inferred, page 128).

191. True or False: The thermometer in Fig. 7.9b reads 1°C per division.

False (page 139).

192. Match: Ice temperature in Fahrenheit – (a) 32°F (b) 212°F (c) 98.6°F (d) 0°F.

a) 32°F (inferred, page 128).

193. True or False: The thermometer in Fig. 7.10 is a laboratory thermometer.

True (page 139).

194. What is the purpose of Activity 7.7? (Short Answer)

To record and analyze maximum and minimum air temperatures over 10 days (page 134).

195. True or False: The thermometer in Fig. 7.3a reads 1°C per division.

True (page 130).

196. Match: Normal body temperature in Kelvin – (a) 273.15 K (b) 310.15 K (c) 373.15 K (d) 298.15 K.

b) 310.15 K (page 129).

197. True or False: The thermometer in Fig. 7.9c reads 1°C per division.

True (page 139).

198. What is the temperature of absolute zero in Kelvin? (a) 0 K (b) 273.15 K (c) 373.15 K (d) 310.15 K

a) 0 K (page 141).

199. True or False: The thermometer in Fig. 7.8 is a clinical thermometer.

False (page 138).

200. Match: Thermometer for air temperature – (a) Clinical (b) Laboratory (c) Room (d) Infrared.

c) Room (page 134).

201. True or False: The thermometer in Fig. 7.9a reads 1°C per division.

True (page 139).

202. What is the purpose of a thermometer in a weather station? (Short Answer)

To measure air temperature for weather forecasts (page 134).

203. True or False: The thermometer in Fig. 7.10 reads 0.5°C per division.

True (page 139).

204. Match: Thermometer for body temperature – (a) Clinical (b) Laboratory (c) Room (d) Weather.

a) Clinical (page 125).

205. True or False: The thermometer in Activity 7.5 should be read while immersed.

True (page 132).

Table 7.1: Activity 7.2 – Measuring Temperature with a Digital Clinical Thermometer (Page 127)

Time of Day	Temperature (°C)
Morning (8 am)	36.8
Afternoon (2 pm)	37.0
Evening (8 pm)	36.9

Note: Values are illustrative based on normal body temperature range (35°C–42°C) as per page 128. Actual values depend on individual measurements.

Table 7.3: Activity 7.7 – Maximum and Minimum Air Temperatures (Page 134)

Day	Maximum Temperature (°C)	Minimum Temperature (°C)
1	30	20
2	31	21
3	29	19
4	32	22
5	31	20
6	30	19
7	33	23
8	32	21
9	31	20
10	30	19

Note: Values are illustrative based on typical air temperature variations (page 134). Actual values depend on local weather reports.