Practice Worksheet : Chapter 7 – Temperature and Its Measurement Class 6 Science
(CBSE Class 6 Science – Curiosity Book)
Class 6 Science – Chapter 7 Temperature and Its Measurement – Practice Worksheet
Complete Worksheet for Class 6 Science – Chapter 7: Temperature and Its Measurement (Curiosity Textbook).
SET – 1 (20 Marks) – Temperature and Its Measurement
Section A – Very Short Answer (1×3 = 3 marks)
Q1. What does a thermometer measure?
Q2. What is the SI unit of temperature?
Q3. Name the thermometer used for measuring fever.
Section B – MCQs (1×3 = 3 marks)
Q4. Normal body temperature is:
(a) 36°C
(b) 37°C
(c) 40°C
(d) 29°C
Q5. Which liquid is commonly used in laboratory thermometers?
(a) Water
(b) Oil
(c) Coloured alcohol
(d) Diesel
Q6. Temperature 37°C =
(a) 96.8°F
(b) 98.6°F
(c) 40°F
(d) 100°F
Section C – Match the Following (1×4 = 4 marks)
| Column I | Column II |
|---|---|
| 7. Clinical thermometer | (a) Measures air temperature |
| 8. Kelvin | (b) SI unit of temperature |
| 9. Infrared thermometer | (c) No-touch temperature measurement |
| 10. Laboratory thermometer | (d) Measures liquid temperature |
Section D – Short Answer (2×2 = 4 marks)
Q11. Why is sense of touch not reliable for measuring temperature?
Q12. Why should the thermometer bulb not touch the beaker during measurement?
Section E – Long Answer (6 marks)
Q13. Describe the correct method to measure body temperature using a digital thermometer.
ANSWERS : SET – 1
Section A – Very Short Answer (1×3 = 3 marks)
Q1. What does a thermometer measure?
Answer: Temperature
Q2. What is the SI unit of temperature?
Answer: Kelvin
Q3. Name the thermometer used for measuring fever.
Answer: Clinical thermometer
Section B – MCQs (1×3 = 3 marks)
Q4. Normal body temperature is:
(a) 36°C
(b) 37°C
(c) 40°C
(d) 29°C
Answer: (b) 37°C
Q5. Which liquid is commonly used in laboratory thermometers?
(a) Water
(b) Oil
(c) Coloured alcohol
(d) Diesel
Answer: (c) Coloured alcohol
Q6. Temperature 37°C =
(a) 96.8°F
(b) 98.6°F
(c) 40°F
(d) 100°F
Answer: (b) 98.6°F
Section C – Match the Following (1×4 = 4 marks)
| Column I | Column II |
|---|---|
| 7. Clinical thermometer | (a) Measures air temperature |
| 8. Kelvin | (b) SI unit of temperature |
| 9. Infrared thermometer | (c) No-touch temperature measurement |
| 10. Laboratory thermometer | (d) Measures liquid temperature |
Answer:
7 → d
8 → b
9 → c
10 → a
Section D – Short Answer (2×2 = 4 marks)
Q11. Why is sense of touch not reliable for measuring temperature?
Answer: Because the skin adapts to surrounding temperature and can give misleading feelings of hot or cold.
Q12. Why should the thermometer bulb not touch the beaker during measurement?
Answer: It may give the temperature of the beaker instead of the liquid.
Section E – Long Answer (6 marks)
Q13. Describe the correct method to measure body temperature using a digital thermometer.
Answer:
- Wash the tip with soap and water.
- Press reset button.
- Place the thermometer under the tongue.
- Close mouth and wait until beep or flash.
- Remove and read temperature.
- Wash and dry the tip again.
SET – 2 – Temperature and Its Measurement
Section A – Very Short Answer (1×3 = 3 marks)
Q1. What is the normal temperature of the human body in °F?
Q2. Which scale is used in most scientific work?
Q3. What is the least count of the thermometer shown in Fig. 7.3b?
Section B – MCQs (1×3 = 3 marks)
Q4. Clinical thermometers measure:
(a) Water temperature
(b) Room temperature
(c) Body temperature
(d) Ice temperature
Q5. The range of a laboratory thermometer is usually:
(a) 0°C–100°C
(b) –10°C to 110°C
(c) 10°C–50°C
(d) 35°C–42°C
Q6. The temperature at which water boils is:
(a) 90°C
(b) 95°C
(c) 98°C
(d) 100°C
Section C – Match the Following (1×4 = 4 marks)
| Column I | Column II |
|---|---|
| 7. Fahrenheit | (a) 0 K |
| 8. Absolute zero | (b) 98.6°F |
| 9. Room thermometer | (c) Air temperature |
| 10. Digital thermometer | (d) Heat sensors |
Section D – Short Answer (2×2 = 4 marks)
Q11. Why can a clinical thermometer not measure boiling water?
Q12. What precaution must be taken while washing a digital thermometer?
Section E – Long Answer (6 marks)
Q13. Explain the precautions to be taken while using a laboratory thermometer.
ANSWERS : SET – 2 (20 Marks)
Section A – Very Short Answer (1×3 = 3 marks)
Q1. What is the normal temperature of the human body in °F?
Answer: 98.6°F
Q2. Which scale is used in most scientific work?
Answer: Kelvin scale
Q3. What is the least count of the thermometer shown in Fig. 7.3b?
Answer: 1°C
Section B – MCQs (1×3 = 3 marks)
Q4. Clinical thermometers measure:
(a) Water temperature
(b) Room temperature
(c) Body temperature
(d) Ice temperature
Answer: (c) Body temperature
Q5. The range of a laboratory thermometer is usually:
(a) 0°C–100°C
(b) –10°C to 110°C
(c) 10°C–50°C
(d) 35°C–42°C
Answer: (b) –10°C to 110°C
Q6. The temperature at which water boils is:
(a) 90°C
(b) 95°C
(c) 98°C
(d) 100°C
Answer: (d) 100°C
Section C – Match the Following (1×4 = 4 marks)
| Column I | Column II |
|---|---|
| 7. Fahrenheit | (a) 0 K |
| 8. Absolute zero | (b) 98.6°F |
| 9. Room thermometer | (c) Air temperature |
| 10. Digital thermometer | (d) Heat sensors |
Answer:
7 → b
8 → a
9 → c
10 → d
Section D – Short Answer (2×2 = 4 marks)
Q11. Why can a clinical thermometer not measure boiling water?
Answer: Because its range is limited to 35°C–42°C, below boiling point.
Q12. What precaution must be taken while washing a digital thermometer?
Answer: The display portion should not be dipped in water.
Section E – Long Answer (6 marks)
Q13. Explain the precautions to be taken while using a laboratory thermometer.
Answer:
Handle carefully to avoid breaking.
Do not hold by the bulb.
Keep it vertical while measuring.
Bulb should not touch sides/bottom.
Read temperature with eye level straight.
SET – 3 – Temperature and Its Measurement
Section A (1×3 = 3 marks)
Q1. Define temperature.
Q2. Name two scales used in thermometers.
Q3. What is the unit symbol for degree Celsius?
Section B – MCQs (1×3 = 3 marks)
Q4. Which thermometer can measure temperature from a distance?
(a) Laboratory
(b) Infrared
(c) Clinical
(d) Room thermometer
Q5. The SI unit of temperature is named after which scientist?
(a) Celsius
(b) Fahrenheit
(c) Kelvin
(d) Newton
Q6. Body temperature below 35°C means:
(a) Normal
(b) Fever
(c) Hypothermia
(d) Boiling
Section C – Match the Following (1×4 = 4 marks)
| Column I | Column II |
|---|---|
| 7. Celsius scale | (a) Measured in Kelvin |
| 8. Least count | (b) Smallest reading possible |
| 9. Pulse | (c) Used earlier to detect fever |
| 10. Range | (d) High and low limit of thermometer |
Section D – Short Answer (2×2 = 4 marks)
Q11. Why does the liquid level fall immediately when a thermometer is removed from hot water?
Q12. What are non-contact thermometers used for?
Section E – Long Answer (6 marks)
Q13. Describe the differences between a clinical and laboratory thermometer.
ANSWERS : SET – 3 (20 Marks)
Section A (1×3 = 3 marks)
Q1. Define temperature.
Answer: Temperature is the measure of the degree of hotness or coldness of a body.
Q2. Name two scales used in thermometers.
Answer: Celsius, Fahrenheit
Q3. What is the unit symbol for degree Celsius?
Answer: °C
Section B – MCQs (1×3 = 3 marks)
Q4. Which thermometer can measure temperature from a distance?
(a) Laboratory
(b) Infrared
(c) Clinical
(d) Room thermometer
Answer: (b) Infrared
Q5. The SI unit of temperature is named after which scientist?
(a) Celsius
(b) Fahrenheit
(c) Kelvin
(d) Newton
Answer: (c) Kelvin
Q6. Body temperature below 35°C means:
(a) Normal
(b) Fever
(c) Hypothermia
(d) Boiling
Answer: (c) Hypothermia
Section C – Match the Following (1×4 = 4 marks)
| Column I | Column II |
|---|---|
| 7. Celsius scale | (a) Measured in Kelvin |
| 8. Least count | (b) Smallest reading possible |
| 9. Pulse | (c) Used earlier to detect fever |
| 10. Range | (d) High and low limit of thermometer |
Answer:
7 → a
8 → b
9 → c
10 → d
Section D – Short Answer (2×2 = 4 marks)
Q11. Why does the liquid level fall immediately when a thermometer is removed from hot water?
Answer: Because the thermometer cools down quickly in the air.
Q12. What are non-contact thermometers used for?
Answer: Used to measure temperature without touching the body, especially to avoid infection spread.
Section E – Long Answer (6 marks)
Q13. Describe the differences between a clinical and laboratory thermometer.
Answer:
• Clinical: 35°C–42°C range, used for body, short bulb, digital/mercury.
• Laboratory: –10°C to 110°C, used for experiments, long glass tube, alcohol/mercury.
SET – 4 (20 Marks) – Temperature and Its Measurement
Section A (1×3 = 3 marks)
Q1. What is Fahrenheit scale symbol?
Q2. What is the normal human body temperature in °C?
Q3. What happens to the liquid column in a thermometer when temperature rises?
Section B – MCQs (1×3 = 3 marks)
Q4. Which thermometer is used in hospitals to check fever?
(a) Laboratory
(b) Air thermometer
(c) Clinical thermometer
(d) None
Q5. The liquid inside thermometers expands when:
(a) Cold
(b) Hot
(c) Frozen
(d) Solid
Q6. The temperature of ice remains constant while melting because:
(a) It absorbs heat
(b) It loses heat
(c) It expands
(d) None
Section C – Match the Following (1×4 = 4 marks)
| Column I | Column II |
|---|---|
| 7. Ice | (a) 100°C |
| 8. Boiling water | (b) 0°C |
| 9. Room thermometer | (c) Air temperature |
| 10. Mercury | (d) Used earlier in thermometers |
Section D – Short Answer (2×2 = 4 marks)
Q11. What is the main drawback of mercury thermometers?
Q12. Why does weather temperature vary daily?
Section E – Long Answer (6 marks)
Q13. Explain how to read a laboratory thermometer correctly.
ANSWERS : SET – 4 (20 Marks)
Section A (1×3 = 3 marks)
Q1. What is Fahrenheit scale symbol?
Answer: °F
Q2. What is the normal human body temperature in °C?
Answer: 37°C
Q3. What happens to the liquid column in a thermometer when temperature rises?
Answer: It rises.
Section B – MCQs (1×3 = 3 marks)
Q4. Which thermometer is used in hospitals to check fever?
(a) Laboratory
(b) Air thermometer
(c) Clinical thermometer
(d) None
Answer: (c) Clinical thermometer
Q5. The liquid inside thermometers expands when:
(a) Cold
(b) Hot
(c) Frozen
(d) Solid
Answer: (b) Hot
Q6. The temperature of ice remains constant while melting because:
(a) It absorbs heat
(b) It loses heat
(c) It expands
(d) None
Answer: (a) It absorbs heat
Section C – Match the Following (1×4 = 4 marks)
| Column I | Column II |
|---|---|
| 7. Ice | (a) 100°C |
| 8. Boiling water | (b) 0°C |
| 9. Room thermometer | (c) Air temperature |
| 10. Mercury | (d) Used earlier in thermometers |
Answer:
7 → b
8 → a
9 → c
10 → d
Section D – Short Answer (2×2 = 4 marks)
Q11. What is the main drawback of mercury thermometers?
Answer: Mercury is toxic and harmful if the thermometer breaks.
Q12. Why does weather temperature vary daily?
Answer: Because factors like wind, clouds, humidity, and sunlight change daily.
Section E – Long Answer (6 marks)
Q13. Explain how to read a laboratory thermometer correctly.
Answer:
Read temperature while inside liquid.
Hold vertically.
Bulb immersed but not touching beaker.
Wait till liquid column stabilises.
Eye level must align with liquid top.
SET – 5 (20 Marks) – Temperature and Its Measurement
Section A (1×3 = 3 marks)
Q1. Define clinical thermometer.
Q2. State one precaution while using a clinical thermometer.
Q3. What is the freezing point of water in °C?
Section B – MCQs (1×3 = 3 marks)
Q4. Kelvin scale starts from:
(a) 0°C
(b) –273.15°C
(c) 273°C
(d) None
Q5. Which thermometer is not suitable for body temperature?
(a) Clinical
(b) Laboratory
(c) Digital
(d) Infrared
Q6. The maximum temperature of a healthy human is usually not above:
(a) 42°C
(b) 35°C
(c) 60°C
(d) 20°C
Section C – Match the Following (1×4 = 4 marks)
| Column I | Column II |
|---|---|
| 7. Digital thermometer | (a) Weather reading |
| 8. Room thermometer | (b) Uses heat sensors |
| 9. Fever | (c) Temperature above normal |
| 10. 98.6°F | (d) 37°C |
Section D – Short Answer (2×2 = 4 marks)
Q11. Why is a digital thermometer safer than a mercury thermometer?
Q12. What does normal body temperature depend on?
Section E – Long Answer (6 marks)
Q13. Describe how to measure air temperature using a room thermometer.
ANSWERS : SET – 5 (20 Marks)
Section A (1×3 = 3 marks)
Q1. Define clinical thermometer.
Answer: A thermometer used to measure human body temperature.
Q2. State one precaution while using a clinical thermometer.
Answer: Do not hold it by the bulb.
Q3. What is the freezing point of water in °C?
Answer: 0°C
Section B – MCQs (1×3 = 3 marks)
Q4. Kelvin scale starts from:
(a) 0°C
(b) –273.15°C
(c) 273°C
(d) None
Answer: (b) –273.15°C
Q5. Which thermometer is not suitable for body temperature?
(a) Clinical
(b) Laboratory
(c) Digital
(d) Infrared
Answer: (b) Laboratory
Q6. The maximum temperature of a healthy human is usually not above:
(a) 42°C
(b) 35°C
(c) 60°C
(d) 20°C
Answer: (a) 42°C
Section C – Match the Following (1×4 = 4 marks)
| Column I | Column II |
|---|---|
| 7. Digital thermometer | (a) Weather reading |
| 8. Room thermometer | (b) Uses heat sensors |
| 9. Fever | (c) Temperature above normal |
| 10. 98.6°F | (d) 37°C |
Answer:
7 → b
8 → a
9 → c
10 → d
Section D – Short Answer (2×2 = 4 marks)
Q11. Why is a digital thermometer safer than a mercury thermometer?
Answer: It does not contain toxic mercury and is easier to read.
Q12. What does normal body temperature depend on?
Answer: Age, activity level, and time of the day.
Section E – Long Answer (6 marks)
Q13. Describe how to measure air temperature using a room thermometer.
Answer:
Record maximum and minimum temperatures if required.
Hang thermometer vertically on a wall (not in sunlight).
Ensure no heat source nearby.
Wait for some time until reading stabilises.
Read temperature at eye level.