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CBSE Class 6 Science Chapter 7 Temperature and its Measurement Worksheet with Answers

Temperature and its Measurement is a foundational chapter in CBSE Class 6 Science that introduces students to the scientific understanding of heat and cold. This worksheet offers a structured, print-friendly resource aligned to the NCERT curriculum, covering clinical and laboratory thermometers, the Celsius scale, and safe measurement practices. Students will work through graded questions from basic recall to higher-order thinking, reinforcing their grasp of Chapter 7 concepts.

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Key takeaways

✓Worksheet covers hot-cold sensation, clinical and laboratory thermometers, and Celsius scale readings as per NCERT Class 6 Science Chapter 7.
✓Section A contains 6 multiple-choice questions testing fundamental concepts of temperature measurement and thermometer usage.
✓Section D includes 5 short-answer questions focusing on thermometer handling, precautions, and temperature recording procedures.
✓Section E features 3 HOTS long-answer questions that require critical thinking about heat transfer and real-life temperature scenarios.
✓Complete answer key with brief explanations provided for every MCQ, fill-up, and descriptive question for effective self-study.
✓Difficulty level is moderate; ideal for CBSE Class 6 students preparing for unit tests, term exams, or revision sessions.
✓Suggested completion time is 60 minutes under exam conditions; educators can use this as a timed assessment tool.

Quick Chapter Recap: Temperature and its Measurement

Chapter 7 of NCERT Class 6 Science explores how we perceive and measure temperature. The chapter begins by explaining that our sense of touch can be unreliable for judging hot and cold, which is why we need thermometers. A thermometer is an instrument that measures temperature accurately using a liquid (usually mercury or alcohol) inside a thin glass tube. The liquid expands when heated and contracts when cooled, moving up or down a calibrated scale. The Celsius scale, denoted by °C, is the standard unit of temperature measurement in India and most of the world. Normal human body temperature is approximately 37°C. Clinical thermometers are specially designed to measure body temperature and have a range typically from 35°C to 42°C, with a constriction near the bulb to prevent the mercury from falling back immediately. Laboratory thermometers have a wider range, usually from –10°C to 110°C, and do not have a kink. Understanding the parts of a thermometer, reading the scale correctly, and following safety precautions are essential skills covered in this chapter. Heat transfer concepts are also introduced, explaining that heat moves from hotter objects to cooler ones until thermal equilibrium is reached.

Our sense of touch is unreliable for measuring temperature; scientific instruments are needed.
Thermometers use the expansion and contraction of liquids (mercury or alcohol) to measure temperature.
Celsius scale (°C) is the standard unit; normal body temperature is about 37°C.
Clinical thermometers range from 35°C to 42°C and have a kink to hold the reading.
Laboratory thermometers range from –10°C to 110°C and lack the constriction found in clinical types.
Heat flows from hotter objects to cooler ones until temperatures equalize.

Section A: Multiple Choice Questions (MCQs)

This section contains six multiple-choice questions designed to test your understanding of the fundamental concepts of temperature measurement as outlined in NCERT Class 6 Science Chapter 7. Each question has four options, and you must select the most appropriate answer. Topics covered include the definition of temperature, types of thermometers, the Celsius scale, normal body temperature, thermometer parts, and safe handling practices. These MCQs mirror the style of questions commonly asked in CBSE periodic tests and term exams. Carefully read each question and all four options before marking your answer. Remember that clinical and laboratory thermometers differ in range, construction, and usage, and the Celsius scale is the internationally accepted unit for temperature in scientific contexts. Pay special attention to questions involving the reading of thermometer scales and the identification of different thermometer parts such as the bulb, stem, bore, and kink. Each correct answer carries one mark, so attempt all questions to maximize your score. The answer key with explanations is provided at the end of this worksheet to help you verify your responses and understand any mistakes.

Q1. The normal temperature of a healthy human body is approximately: (a) 35°C (b) 37°C (c) 39°C (d) 42°C
Q2. Which thermometer is used to measure body temperature? (a) Laboratory thermometer (b) Clinical thermometer (c) Maximum-minimum thermometer (d) Digital thermometer
Q3. The range of a clinical thermometer is usually: (a) 0°C to 100°C (b) –10°C to 110°C (c) 35°C to 42°C (d) 20°C to 50°C
Q4. The kink in a clinical thermometer is present to: (a) Allow mercury to expand (b) Prevent mercury from falling back immediately (c) Increase accuracy (d) Measure very high temperatures
Q5. The liquid commonly used in laboratory thermometers is: (a) Water (b) Milk (c) Alcohol or mercury (d) Oil
Q6. Temperature is measured in the unit: (a) Kelvin (b) Celsius (c) Fahrenheit (d) All of these

Section B: Fill in the Blanks

This section consists of five fill-in-the-blank statements that require you to recall specific terminology and facts from CBSE Class 6 Science Chapter 7 on Temperature and its Measurement. Each blank corresponds to a key concept, instrument part, unit of measurement, or safety practice discussed in the NCERT textbook. The purpose of this exercise is to reinforce your memory of important definitions and procedural details. Write the correct word or phrase in each blank space provided. Remember that precision in scientific language is important; for instance, the unit of temperature should be written as 'Celsius' or '°C', and the part of the thermometer that contains the liquid should be identified as the 'bulb'. These questions test your attention to the finer details of thermometer construction, usage protocols, and measurement standards. The fill-in-the-blank format is commonly used in CBSE Class 6 assessments to evaluate both comprehension and retention. After completing this section, cross-check your answers with the provided answer key to identify any gaps in understanding. Each correct answer is worth one mark, so ensure that your spelling and terminology match the NCERT standard.

1. The instrument used to measure temperature is called a ___________.
2. The scale used to measure temperature in most countries is the ___________ scale.
3. A clinical thermometer should be washed before and after use, preferably with an ___________ solution.
4. The bulb of the thermometer should be in contact with the object whose temperature is being measured for accurate ___________.
5. Laboratory thermometers do not have a ___________ near the bulb.

Section C: Match the Following and True or False

Section C is divided into two sub-parts designed to assess your ability to connect related concepts and evaluate the accuracy of scientific statements. Part I presents a matching exercise with five items in Column A and five corresponding descriptions or definitions in Column B. Your task is to correctly pair each term with its appropriate definition or characteristic. For example, you might need to match 'clinical thermometer' with its temperature range or match 'Celsius scale' with its freezing point of water. This format tests both recall and conceptual clarity. Part II contains five true-or-false statements based on facts and principles from Chapter 7. You must read each statement carefully and write 'True' if the statement is correct or 'False' if it is incorrect. Some statements may contain subtle inaccuracies, so pay close attention to details such as temperature ranges, thermometer components, and safety guidelines. Both sub-parts are designed to challenge your understanding of thermometer types, measurement units, and practical usage. The answer key provides the correct matches and truth values along with brief explanations to clarify any misunderstandings.

Part I — Match the Following: Column A lists thermometer parts and types; Column B lists their functions or characteristics.
Part II — True or False: Five statements covering thermometer handling, temperature units, and measurement principles.
Example True/False: 'A laboratory thermometer can be used to measure body temperature.' (False, because it lacks a kink and its range is too wide.)
Example Matching: 'Kink in thermometer' matches with 'Prevents mercury from falling back immediately'.
This section sharpens critical thinking and attention to detail essential for CBSE exams.

Section D: Short Answer Questions (3 Marks Each)

Section D comprises five short-answer questions, each carrying three marks and requiring concise, structured responses of approximately 50 to 70 words. These questions are designed to test your ability to explain concepts, describe procedures, and apply knowledge from NCERT Class 6 Science Chapter 7 in a coherent manner. Typical questions in this section ask you to differentiate between clinical and laboratory thermometers, explain how a thermometer works, list precautions when handling thermometers, or describe the correct method of measuring body temperature. When answering, organize your response into clear points or short sentences. Use scientific terminology accurately and ensure that your explanation is logical and complete. For instance, if asked to explain why mercury is used in thermometers, mention properties such as rapid expansion, visibility, and uniformity of expansion. In CBSE marking schemes, examiners award marks for correct scientific facts, clarity of expression, and proper sequencing of ideas. Avoid vague or incomplete statements. Each question in this section is aligned to the learning outcomes specified in the NCERT framework and reflects the type of short-answer items commonly appearing in CBSE Class 6 term exams.

Q1. Differentiate between a clinical thermometer and a laboratory thermometer. (Any three points)
Q2. Why do we need a thermometer to measure temperature? Why is our sense of touch not reliable?
Q3. List three precautions to be observed while using a clinical thermometer.
Q4. Explain how a thermometer measures temperature. Describe the role of the liquid inside the thermometer.
Q5. What is the normal temperature of the human body? What temperature range does a clinical thermometer cover and why?

Section E: Long Answer and HOTS Questions (5 Marks Each)

Section E contains three long-answer and Higher Order Thinking Skills (HOTS) questions, each worth five marks and requiring detailed, well-structured responses of around 100 to 150 words. These questions assess your ability to analyze, apply, and synthesize information from Chapter 7 of NCERT Class 6 Science. You may be asked to explain the construction and working of a thermometer in depth, discuss the advantages and limitations of mercury and alcohol thermometers, or apply your understanding to real-life scenarios such as fever management or laboratory experiments. When crafting your answer, begin with a clear introductory statement, develop your points logically with supporting details and examples, and conclude with a summary or implication if appropriate. Use diagrams or labeled sketches where relevant to enhance clarity, especially when describing thermometer parts or demonstrating scale reading. CBSE examiners reward answers that show conceptual depth, proper use of scientific vocabulary, and the ability to connect theory to practice. These HOTS questions often include elements of reasoning, comparison, or problem-solving, pushing you beyond rote memorization to demonstrate genuine understanding and critical thinking. Practicing such questions is essential for scoring well in board exams and building a strong foundation in science.

Q1. Describe the construction of a clinical thermometer with a labeled diagram. Explain how the kink helps in reading body temperature accurately.
Q2. Explain why mercury is preferred over water or other liquids in thermometers. Discuss at least four properties of mercury that make it suitable.
Q3. A student dipped a laboratory thermometer in hot water and immediately took it out to read the temperature. The reading showed 40°C, but the actual temperature was much higher. Explain why the reading was incorrect and suggest the correct procedure.

Section F: Case-Study Question

This section presents a real-life or experimental scenario followed by a set of sub-questions that require you to read, interpret, and apply your knowledge of Temperature and its Measurement from CBSE Class 6 Science Chapter 7. Case-study questions are increasingly featured in CBSE assessments to test competency-based learning and the ability to analyze unfamiliar situations using familiar concepts. The scenario might describe a student conducting an experiment, a doctor measuring a patient's temperature, or a weather observer recording daily temperatures. After carefully reading the case, answer the sub-questions, which may be in MCQ, short-answer, or fill-up format. These questions assess comprehension, data interpretation, reasoning, and the application of safety or procedural knowledge. For example, you might be asked to identify the type of thermometer used, explain why a certain reading is inaccurate, suggest precautions, or predict outcomes based on the described conditions. Case studies mirror the format of competency-based questions introduced in recent CBSE examination reforms and are an excellent way to develop scientific temper and analytical skills. Approach the case methodically: underline key facts, relate them to chapter concepts, and answer each sub-question precisely.

Complete Answer Key with Explanations

This section provides the complete answer key for all questions in the worksheet, along with brief explanations to help you understand the reasoning behind each correct answer. For Section A (MCQs), the correct option is stated and a one-line explanation clarifies why that choice is accurate and why the others are incorrect. For Section B (Fill in the Blanks), the missing words are supplied with context. Section C (Match the Following and True/False) includes the correct pairs and truth values with justifications. For Sections D and E (Short and Long Answer Questions), model answers are provided that demonstrate the structure, depth, and key points expected in a full-marks response. The case-study sub-questions are answered with reference to the scenario details and chapter concepts. Use this answer key not just to check your answers, but as a learning tool to identify areas where you need further revision. If you made a mistake, read the explanation carefully and revisit the relevant portion of the NCERT textbook. Self-assessment using this answer key will strengthen your grasp of Temperature and its Measurement and prepare you effectively for CBSE Class 6 Science exams.

Section A Answers: 1(b), 2(b), 3(c), 4(b), 5(c), 6(d)
Section A Explanations: Q1: Normal body temperature is 37°C. Q2: Clinical thermometer is designed for body temperature. Q3: Range 35–42°C covers human fever range. Q4: Kink prevents mercury from falling back. Q5: Mercury or alcohol used in lab thermometers. Q6: All three units (Kelvin, Celsius, Fahrenheit) measure temperature.
Section B Answers: 1. thermometer; 2. Celsius; 3. antiseptic; 4. reading; 5. kink
Section C Part I Matches: Clinical thermometer–Range 35–42°C; Laboratory thermometer–Range –10–110°C; Kink–Prevents mercury fall; Bulb–Contains liquid; Celsius scale–Freezing point 0°C
Section C Part II True/False: 1. False (Lab thermometer not for body temp); 2. True (Mercury expands on heating); 3. True (Wash before and after use); 4. False (Clinical has kink, lab does not); 5. True (Normal body temp 37°C)
Section D Model Answers: Q1: Clinical: range 35–42°C, has kink, for body temp. Lab: range –10–110°C, no kink, for general lab use. Q2: Touch is unreliable; same object feels different to different hands; thermometer gives objective numerical value. Q3: Wash with antiseptic, do not shake violently, do not use if cracked, read at eye level. Q4: Liquid (mercury/alcohol) expands when heated, rises in tube; contracts when cooled, falls; reading taken from scale. Q5: Normal 37°C; clinical range 35–42°C to cover fever and hypothermia safely.
Section E Model Answers: Q1: Clinical thermometer has glass tube, bulb with mercury, kink near bulb, scale 35–42°C. Kink prevents mercury from falling back, so reading can be taken after removal. Q2: Mercury is good conductor, expands uniformly, visible, does not wet glass, wide temp range. Q3: Student did not wait long enough; thermometer must remain in contact until reading stabilizes (1–2 min). Q4: (Case study) Sub-answers provided with scenario reasoning.
Case Study Answers: (i) Hot water can break the glass or give a false high reading. (ii) At least 1 minute, preferably 1.5–2 minutes. (iii) Wash with antiseptic before and after use. (iv) Shake the thermometer to bring mercury below 35°C before reuse.

How to Use This Worksheet Effectively

To maximize the learning benefit of this CBSE Class 6 Science Chapter 7 worksheet, follow a systematic approach. First, ensure you have read the NCERT textbook chapter thoroughly and understood the key concepts such as types of thermometers, the Celsius scale, and safe handling procedures. Before attempting the worksheet, gather all necessary materials: pen, pencil, eraser, and a printed copy of the worksheet. Set a timer for 60 minutes to simulate exam conditions and work through the sections in order without referring to your textbook or notes. This timed practice builds speed and helps you identify areas where you hesitate or lack confidence. Once you complete all sections, take a short break, then use the answer key to mark your own work. For every mistake, write a brief note on why you got it wrong and what the correct concept is. If you score below 70 per cent, revisit the chapter, make summary notes, and attempt the worksheet again after a few days. Use the HOTS and case-study questions to discuss with classmates or teachers to deepen understanding. Parents can monitor progress by reviewing marked worksheets and encouraging regular practice. Combining this worksheet with CBSETUTOR.ai's 24×7 AI tutor can provide instant doubt resolution, step-by-step explanations via photo upload, and personalized practice at just ₹999 per month for all subjects in Classes 6 to 12, with a three-day free trial available.

Read NCERT Chapter 7 completely before attempting the worksheet.
Print the worksheet and attempt it in one sitting under timed conditions (60 minutes).
Do not refer to notes or textbook while solving; simulate real exam environment.
After completion, use the answer key to self-assess and calculate your score.
Review explanations for incorrect answers and note down key points for revision.
Reattempt the worksheet after a few days to track improvement and reinforce learning.
Discuss HOTS and case-study questions with peers or teachers for deeper insights.
Use CBSETUTOR.ai's AI tutor for instant doubt-clearing and additional practice resources.

Why Printable Worksheets Matter for CBSE Class 6 Science Exam Preparation

Printable worksheets are an indispensable tool in the preparation toolkit of CBSE Class 6 students, especially for subjects like Science where conceptual clarity and application are crucial. Unlike digital formats that can lead to screen fatigue and distractions, printed worksheets offer a tactile, focused learning experience that closely mirrors the actual exam environment. Working on paper helps students practice handwriting, organize answers spatially, and develop time-management skills under realistic conditions. For Chapter 7 on Temperature and its Measurement, a well-designed worksheet consolidates multiple question types—MCQs, fill-ups, short and long answers, and case studies—into a single document, providing comprehensive coverage in one practice session. Teachers appreciate printable worksheets for their ease of distribution in classrooms and use in periodic assessments. Parents find them convenient for home revision and monitoring progress without needing internet access or devices. Furthermore, printed worksheets can be annotated, reviewed multiple times, and stored in folders as part of a systematic revision plan. They are particularly valuable for identifying weak areas, as students can visibly track their mistakes and improvements over successive attempts. In the context of CBSE's competency-based education and the shift toward application-oriented questions, worksheets that include HOTS and case-study items prepare students not just for exams, but for critical thinking and real-world problem-solving.

Printable worksheets reduce screen time and minimize digital distractions during study.
Paper-based practice replicates the actual CBSE exam format and handwriting requirements.
Comprehensive question coverage in one document saves time and organizes revision effectively.
Easy for teachers to distribute in class and for parents to use at home without needing devices.
Annotation and repeated review are simpler with printed worksheets; errors can be visibly tracked.
HOTS and case-study questions in worksheets align with CBSE's competency-based assessment framework.
Regular worksheet practice builds confidence, speed, and accuracy essential for scoring well in exams.

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Frequently asked questions

What is the normal range of a clinical thermometer used in CBSE Class 6 Science Chapter 7?+

A clinical thermometer typically has a temperature range of 35°C to 42°C. This range is specifically designed to measure human body temperature, which normally hovers around 37°C, and to detect fever or hypothermia safely without breaking the instrument.

Why does a clinical thermometer have a kink near the bulb?+

The kink, or constriction, prevents the mercury from flowing back into the bulb immediately after measurement. This allows the user to remove the thermometer from the body and read the temperature at leisure. To reset, the thermometer must be shaken vigorously to force mercury back below the kink.

Can a laboratory thermometer be used to measure body temperature?+

No, a laboratory thermometer should not be used for body temperature measurement. It lacks the kink to hold the reading, has a wider range (–10°C to 110°C), and is not designed for safe oral or underarm use. Clinical thermometers are specially built for this purpose.

What precautions should be taken while reading a thermometer?+

Always read the thermometer at eye level to avoid parallax error. Ensure the bulb is in full contact with the object or body part for accurate measurement. Do not hold the thermometer by the bulb, and avoid shaking it near hard surfaces to prevent breakage. Wash before and after use with an antiseptic solution.

How long should a clinical thermometer be kept under the tongue for an accurate reading?+

A clinical thermometer should be kept under the tongue for at least one to two minutes to allow the mercury to expand fully and stabilize at the body's actual temperature. Removing it too early may result in an inaccurate, lower reading.

What is the freezing point and boiling point of water on the Celsius scale?+

On the Celsius scale, the freezing point of water is 0°C and the boiling point is 100°C at standard atmospheric pressure. These two fixed points are used to calibrate thermometers and define the Celsius temperature scale.

Why is mercury preferred over water in thermometers?+

Mercury is preferred because it expands uniformly with temperature, is easily visible due to its shiny metallic appearance, does not wet glass, and has a wide usable range from –39°C to 357°C. Water, on the other hand, freezes at 0°C and has irregular expansion, making it unsuitable for accurate temperature measurement.

What is the difference between a maximum-minimum thermometer and a clinical thermometer?+

A maximum-minimum thermometer records the highest and lowest temperatures over a period, commonly used in weather stations. A clinical thermometer measures instantaneous body temperature within a narrow range (35–42°C) and has a kink to hold the reading. Both serve different purposes and are constructed differently.

How does this worksheet help in CBSE Class 6 Science exam preparation?+

This worksheet consolidates all question types—MCQs, fill-ups, short and long answers, and case studies—aligned to the NCERT syllabus. It provides timed practice, a complete answer key with explanations, and HOTS questions, helping students build confidence, identify weak areas, and score higher in term exams and assessments.

Can I get instant help if I am stuck on a question from this worksheet?+

Yes, you can use CBSETUTOR.ai's 24×7 AI tutor. Simply take a photo of the question and upload it to receive step-by-step solutions and explanations instantly. The platform covers all CBSE subjects for Classes 6 to 12 at ₹999 per month, with a three-day free trial available.

Related resources

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