1What are the lower fixed points of the thermometer in Celsius, Fahrenheit and Kelvin scales respectively?
2Differentiate between the lower fixed point and the upper fixed point of a thermometer.
3Write the types of thermometers used in daily life. Also mention their working principles.
4What is thermometer calibration? Describe the method.
5Why is the bulb held in the steam, and not dipped into the boiling water, when finding the upper fixed point?
6Why is mercury used as a thermometric liquid?
7Which thermometer is most suitable for checking the temperature of many students at a school gate? Why?
8If 9 lines are drawn between the 0°C and 100°C marks, how many parts are made, and what temperature does each part stand for?
9Convert 50°C to the Fahrenheit scale.
10Why can we not judge temperature reliably by touching something with our hand?