Class 6 Science - BIHAR
Temperature and its Measurement
In the chapter Temperature and its Measurement, Class 6 Bihar Board students learn about the concept of hotness and coldness and how to measure temperature accurately using a thermometer. The chapter explains the construction and working of clinical and laboratory thermometers, the units of temperature like Celsius and Fahrenheit, and the precautions needed while measuring temperature. This chapter is very important for board exams as it forms the basic foundation of physics and chemistry, frequently appearing in both objective and short-answer questions in the final examinations.
Start Learning FreeKey Concepts
Temperature
Temperature is a reliable measure of the hotness or coldness of an object, expressed in degrees.
Thermometer
A device used for measuring temperature, typically containing mercury or alcohol that expands when heated.
Clinical Thermometer
A specialized thermometer used to measure the human body temperature, usually ranging from 35°C to 42°C.
Laboratory Thermometer
A thermometer used in science labs to measure the temperature of various substances and liquids, usually ranging from -10°C to 110°C.
Transfer of Heat
Heat flows naturally from a hotter body to a colder body until both reach the same temperature.
Important Formulas
Board Exam Info
In the Bihar Board Class 6 Science examinations, this chapter typically carries around 4 to 6 marks. Questions usually include fill-in-the-blanks, true/false, multiple-choice questions, and short-answer questions like 'Why do we jerk a clinical thermometer before use?' or 'Difference between clinical and laboratory thermometers.'
Frequently Asked Questions
Mercury is used because it remains in liquid state over a wide range of temperatures, is shining and easily visible, and does not stick to the glass.
Mercury is used because it remains in the liquid state over a wide range of temperatures, shines brightly, and does not stick to the glass tube.
Why can't we use a clinical thermometer to measure the temperature of boiling water?
A clinical thermometer has a limited range up to 42°C, and the high temperature of boiling water can break the glass bulb.
What is the normal temperature of the human body?
The normal temperature of a healthy human body is 37°C (or 98.6°F).
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