Class 6 Science - GUJARAT
Temperature and its Measurement
In the chapter 'Temperature and its Measurement' from GSEB Class 6 Science, students explore how we measure hotness and coldness. The chapter introduces the concept of temperature, explains the construction and working of a clinical thermometer and a laboratory thermometer, and discusses the units of measurement like Celsius and Fahrenheit. Students will learn the precautions needed while handling thermometers and the importance of heat transfer. This chapter is very important for board exams as it tests foundational scientific concepts, accurate diagram-based questions, and practical applications, usually carrying 4 to 6 marks in school assessments.
Start Learning FreeKey Concepts
Temperature
Temperature is a reliable measure of the hotness or coldness of an object, measured using instruments like a thermometer.
Clinical Thermometer
A specialized glass thermometer used to measure human body temperature, typically ranging from 35°C to 42°C.
Laboratory Thermometer
A thermometer used to measure the temperature of various substances and liquids in a science lab, usually having a range from -10°C to 110°C.
Celsius Scale
The standard metric scale for measuring temperature, where the freezing point of water is 0°C and the boiling point is 100°C.
Transfer of Heat
Heat always flows naturally from a hotter body to a colder body until both reach the same temperature.
Important Formulas
Board Exam Info
This chapter typically carries around 4 to 6 marks in Gujarat (GSEB) Class 6 Science assessments. Common question types include fill-in-the-blanks, true or false, diagram labeling of clinical and laboratory thermometers, and short descriptive questions about precautions to take while reading a thermometer.
Frequently Asked Questions
Why do we jerk a clinical thermometer before use?
We give a jerk to lower the level of mercury below 35°C so that it reads the correct body temperature accurately.
Can a clinical thermometer be used to measure the temperature of boiling water?
No, because the temperature of boiling water is 100°C, which exceeds the maximum limit (42°C) of a clinical thermometer and can cause the glass bulb to break.
Why does a laboratory thermometer have to be kept upright while reading?
It must be kept upright to ensure the mercury level is read accurately and parallax error is avoided.
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