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id: "69be3c6d10894211fbd3f5c4"
title: "Temperature and its Measurement"
board: "CBSE"
curriculum: "CBSE"
class: "Class 6"
subject: "Science"
book: "Curiosity"
chapter: "Temperature and its Measurement"
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last_updated: "2026-06-20"
---

# Temperature and its Measurement
This chapter discusses the concept of temperature, the different types of thermometers, and how to measure temperature accurately.

## Knowledge Snapshot
| Field | Details |
| :--- | :--- |
| Class | Class 6 |
| Subject | Science |
| Book | Curiosity |
| Chapter | Temperature and its Measurement |
| Pages | 123-142 |

## Chapter Summary
### Short Summary
The chapter introduces temperature as a reliable measure of hotness or coldness and explains the use of clinical and laboratory thermometers in measuring temperature.

### Detailed Summary
Lambok feels feverish and is checked by his sister Phiban using a thermometer, confirming his temperature is normal. The chapter discusses various activities that illustrate how to determine hotness and coldness and emphasizes that sense of touch can be misleading. It explains the difference between clinical and laboratory thermometers and provides detailed instructions on using each type. It discusses the normal temperature range for humans and introduces different temperature scales, their conversions, and limits. Additionally, it highlights the importance of accurate measurements for health and weather reporting.

## Topic-Wise Explanation
### Hot or Cold?
Some bodies are hotter than others. An activity illustrates how our sense of touch can mislead our perception of temperature differences between warm and cold water.

### Temperature
Temperature is defined as a measure of hotness or coldness. It differentiates hotter bodies from colder bodies using thermometers.

### Measuring Temperature
This section introduces the usage of clinical and laboratory thermometers, emphasizing the importance of measuring temperature accurately.

### Clinical Thermometer
Clinical thermometers measure body temperature and show readings digitally, replacing traditional mercury thermometers for safety and ease.

### Laboratory Thermometer
Laboratory thermometers in labs measure a broader range of temperatures compared to clinical thermometers and are crucial for various experiments.

### Air Temperature
Air temperature is monitored in various environments using specialized thermometers and is critical for weather forecasting.

## Core Ideas
| Idea | Explanation |
| :--- | :--- |
| Hotness and Coldness | Temperature measures the hotness and coldness of bodies.
| Types of Thermometers | There are clinical and laboratory thermometers used for different purposes.
| Temperature Scales | Celsius, Fahrenheit, and Kelvin scales quantify temperature.
|

## Key Concepts
| Concept | Meaning |
| :--- | :--- |
| Clinical Thermometer | Used for measuring human body temperature.|
| Laboratory Thermometer | Used for a variety of scientific measurements.|
| Celsius Scale | A scale for measuring temperature, denoted by °C.|
| Fahrenheit Scale | Another temperature scale, denoted by °F.|
| Kelvin Scale | SI unit for temperature, denoted by K.|

## Important Points for Revision
* The normal body temperature is approximately 37.0 °C.
* Clinical thermometers are generally equipped with a digital display.
* Digital thermometers are safer and easier to read compared to mercury thermometers.
* The temperature can vary slightly between individuals due to various factors.
* The Celsius scale is typically used in clinical settings.
* The Fahrenheit scale is less used in scientific contexts.
* The Kelvin scale is the SI unit for temperature.
* Laboratory thermometers measure a wider temperature range.
* Air temperatures vary with seasons and conditions.
* Anna Mani contributed significantly to weather measurement.

## Vocabulary and Glossary
| Word / Phrase | Meaning |
| :--- | :--- |
| Thermometer | A device for measuring temperature. |
| Celsius | Temperature scale where water freezes at 0 °C and boils at 100 °C. |
| Fahrenheit | Temperature scale where water freezes at 32 °F and boils at 212 °F. |
| Kelvin | Temperature scale used in science, absolute scale starting at absolute zero. |

## Practice Questions
### Short Answer Questions
1. What device is used to measure temperature?
2. What is the normal body temperature?
3. How do you use a digital clinical thermometer?
4. What are the differences between clinical and laboratory thermometers?
5. What are the three temperature scales discussed?

### Long Answer Questions
1. Explain how to measure body temperature using a clinical thermometer.
2. Describe the role of Anna Mani in weather measurement.
3. Discuss the factors that can influence a person's body temperature and their significance.

## Related Concepts
* Mercury Thermometers
* Health Monitoring
* Weather Forecasting

## Source Attribution
| Field | Value |
| :--- | :--- |
| Source | Edzy |
| Reference Type | examSubjectBookChapter |
| Reference ID | 69be3c6d10894211fbd3f5c4 |
| Canonical URL | https://www.edzy.ai/cbse-class-6-science-curiosity-temperature-and-its-measurement |
| Markdown URL | https://www.edzy.ai/okf/chapter/cbse-class-6-science-curiosity-temperature-and-its-measurement.md |