Class 6 Science — Chapter 7: Temperature and its Measurement

What you'll learn

• ▸Sensation of Hot and Cold
• ▸Definition of Temperature
• ▸The Thermometer
• ▸Types of Thermometers
• ▸Clinical Thermometer Features
• ▸The Celsius Scale
• ▸Safety with Thermometers (Mercury)

Chapter Summary

--- PAGE 1 --- CHAPTER 7 Temperature and its Measurement “ Wrong measurements are worse than no measurements at all. — Anna Mani ” 0677CH07 Lambok and his elder sister Phiban live in Shillong. One day they came home from school. Their parents were away at work and Lambok complained that he was feeling feverish. Phiban touched his forehead and felt that he might be having a fever. To confirm this, she took out the thermometer kept in the almirah. She washed its tip with soap and water, and measured Lambok's temperature. To her relief, she found that his temperature was normal. She washed the thermometer tip again, dried it and put it back. She then asked Lambok to change his school uniform, eat his lunch, and rest for some time. Can it always be correctly judged, that a person has fever, only by touching the person? ? 7.1 Hot or Cold? We know from experience that some bodies are hotter than others. For example, during summers, the tap water may be hotter than the cold water from a…

Practice Questions from this Chapter

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1. Explain absolute zero simply. Get Solution →
2. Describe how thermometers work. Get Solution →
3. Investigate fever's shivering effect. Get Solution →
4. What is the primary device used for measuring temperature, according to the text? Get Solution →
5. What unit of temperature is mentioned for use with clinical thermometers in the chapter? Get Solution →
6. Which type of thermometer is specifically designed for measuring human body temperature? Get Solution →
7. What toxic substance was used in older thermometers, making them hazardous if broken? Get Solution →
8. What is the reliable measure of the hotness or coldness of a body? Get Solution →

Did you know?

• 💡 Absolute zero, the coldest possible temperature, makes atoms completely stop moving.
• 💡 Your body's temperature naturally gets a little hotter in the late afternoon.
• 💡 The first thermometer was invented by Galileo Galilei in the late 1500s.
• 💡 Infrared thermometers measure temperature by sensing the heat radiation objects emit.
• 💡 Some snakes can 'see' the body heat of prey using special heat-sensing pits.

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