Class 6 Science - PUNJAB
Temperature and its Measurement
In the chapter 'Temperature and its Measurement' for Class 6 Punjab School Education Board (PSEB) science, students learn about hotness and coldness, how to measure temperature accurately using a thermometer, and the standard units of measurement. This chapter is fundamental for understanding basic physics and everyday science concepts. It covers clinical and laboratory thermometers, the Celsius scale, and precautions needed while handling glass thermometers. This chapter is very important for board exams as it features frequently in both objective questions and short conceptual queries, helping students build a strong foundation for higher classes.
Start Learning FreeKey Concepts
Temperature
Temperature is a reliable measure of the hotness or coldness of an object, usually measured in degrees Celsius.
Clinical Thermometer
A special thermometer used to measure human body temperature, which typically ranges from 35°C to 42°C.
Laboratory Thermometer
A thermometer used by scientists in laboratories to measure the temperature of various objects and liquids, usually having a range from -10°C to 110°C.
Transfer of Heat
Heat always flows from a body at a higher temperature to a body at a lower temperature until both reach the same temperature.
Important Formulas
Board Exam Info
In the Punjab (PSEB) Class 6 Science examinations, this chapter usually carries around 4 to 6 marks. Common question types include fill-in-the-blanks, true/false, short answers explaining the difference between clinical and laboratory thermometers, and drawing or labeling a diagram of a clinical thermometer.
Frequently Asked Questions
Why do we jerk a clinical thermometer before use?
We jerk a clinical thermometer to bring the level of mercury down below 35°C so that it can record the correct body temperature.
Can a clinical thermometer be used to measure the temperature of boiling water?
No, a clinical thermometer has a limited range (up to 42°C) and can break if exposed to very high temperatures like boiling water.
What is the normal temperature of a healthy human body?
The normal temperature of a healthy human body is 37°C.
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