Chapter-Chapter 7. Temperature and its Measurement Science Curiosity class 6 in english Medium CBSE Notes

Chapter 7. Temperature and its Measurement

This assignment is designed according to the latest CBSE competency-based assessment pattern. It includes objective, subjective, case-based, and Higher Order Thinking Skills (HOTS) questions to help students revise the chapter thoroughly and strengthen their conceptual understanding.

Assignments – What Have You Learned?

Attempt all the following questions without referring to your textbook. This worksheet will help you improve your knowledge, application skills, and examination confidence.

Part A: Fill in the Blanks

Complete the following statements using the correct words.

1. Temperature is the measure of the __________________ of a body.
2. A __________________ is used to measure temperature.
3. The SI unit of temperature is __________________.
4. The average normal human body temperature is __________________ °C.
5. A __________________ thermometer is used to measure body temperature.
6. A laboratory thermometer usually has a range from __________________ to __________________.
7. Digital thermometers use __________________ sensors.
8. The symbol of degree Celsius is __________________.
9. Air temperature is recorded at __________________ stations.
10. Mercury thermometers are being replaced because mercury is __________________.

Part B: True or False

Write True or False for each statement.

1. Our sense of touch can always measure temperature accurately.
2. The SI unit of temperature is kelvin.
3. Clinical thermometers are mainly used in hospitals.
4. Laboratory thermometers are suitable for measuring body temperature.
5. Digital thermometers are safer than mercury thermometers.
6. 37°C is equal to 98.6°F.
7. The bulb of a laboratory thermometer should touch the bottom of the beaker.
8. Weather reports mention maximum and minimum air temperatures.
9. Infrared thermometers measure temperature without touching the body.
10. Temperature helps us compare the hotness or coldness of objects.

Part C: Match the Following

Match Column A with the correct answer in Column B.

Part D: One Word Answer

Answer each question in one word or one term.

1. Which instrument measures temperature?
2. Which thermometer measures body temperature?
3. What is the SI unit of temperature?
4. Which scale uses the symbol °F?
5. Which thermometer measures temperature without touching the body?

Part E: Very Short Answer Questions

Answer the following questions in one or two sentences.

1. What is temperature?
2. Why is a thermometer used instead of our sense of touch?
3. State the normal body temperature of a healthy adult.
4. Name the three temperature scales.
5. What is the function of a digital thermometer?

Part F: Short Answer Questions

Answer the following questions in about 30–50 words.

1. Differentiate between a clinical thermometer and a laboratory thermometer.
2. Write any four precautions while using a laboratory thermometer.
3. Explain why mercury thermometers are being replaced by digital thermometers.
4. Why does body temperature vary slightly among healthy people?
5. Explain why air temperature changes during different seasons.

Part G: Long Answer Questions

Answer the following questions in detail.

1. Explain the working and uses of different types of thermometers.
2. Describe the correct procedure for measuring temperature using a laboratory thermometer.
3. Explain the importance of accurate temperature measurement in healthcare, science, and daily life.
4. Compare the Celsius, Fahrenheit, and Kelvin temperature scales.
5. Why is it important to follow safety precautions while using thermometers? Explain with suitable examples.

Part H: Case Study Questions

Read the passage carefully and answer the questions that follow.

Riya returned home after playing outside on a hot summer afternoon. She felt tired and thought she had a fever. Her mother cleaned a digital thermometer, placed it under Riya's tongue, and waited for the beep. The thermometer showed 37°C. Her mother explained that this was the normal body temperature and advised Riya to drink water and rest for some time.

Answer the following questions:

1. Which instrument was used to measure Riya's body temperature?
2. What was the temperature reading?
3. Is 37°C considered a normal body temperature?
4. Why should the thermometer be cleaned before and after use?
5. Why should we not judge fever only by touching a person's forehead?

Part I: Competency-Based Questions

Apply your understanding of the chapter to answer the following questions.

1. Your friend says that touching a glass of water is enough to know its exact temperature. Do you agree? Give reasons.
2. A student removes a laboratory thermometer from hot water before reading it. Will the reading be accurate? Explain.
3. Why are infrared thermometers useful in hospitals during infectious disease outbreaks?
4. How does accurate temperature measurement help weather scientists?
5. Why should different thermometers be used for different purposes?

Part J: HOTS (Higher Order Thinking Skills)

Think carefully and answer the following questions.

1. If two objects feel equally warm to your hand, can you conclude that both have the same temperature? Explain your answer.
2. Suppose digital thermometers were not available. What safety problems might arise from using mercury thermometers?
3. Why do scientists prefer numerical temperature measurements instead of simply describing objects as hot or cold?
4. A laboratory thermometer accidentally touches the bottom of a beaker while measuring hot water. How might this affect the reading?
5. Explain why accurate temperature measurement is important in hospitals, laboratories, industries, weather forecasting, and food storage.

Self-Assessment Checklist

Tick (✔) the statements that are true for you after completing this chapter.

• ☐ I can explain the meaning of temperature.
• ☐ I can identify different types of thermometers.
• ☐ I know the SI unit of temperature.
• ☐ I can compare Celsius, Fahrenheit, and Kelvin scales.
• ☐ I know the correct method of using a laboratory thermometer.
• ☐ I understand the precautions while using thermometers.
• ☐ I can solve competency-based and case study questions.
• ☐ I am confident about this chapter for my CBSE examination.

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