Thermometer

(i) What are Heat and Temperature?
(ii) State the differences between Heat and Temperature.
(iii) What is thermometer?
(iv) Why do we use mercury or alcohol as thermometer liquids?

(i) Temperature of Gangtok (Sikkim) is $-14°\mathrm{C}$ and in Visakhapatnam (AP) is $9°\mathrm{C}$ which of them has greater temperature?
(ii) What is the difference between the temperatures of these two places?
(iii) Draw a laboratory thermometer diagram and label its parts.

(i) What is a clinical thermometer?

(ii) What is a laboratory thermometer?

(iii) State the similarities and differences between laboratory thermometers and medical thermometers.

The temperature which has same numerical value on Celsius and Fahrenheit scale is:

A liquid contracts on heating.

Liquid expands on heating. Do you agree with the statement? Justify your answer.

A clinical thermometer contains a thermistor.

Describe about a digital thermometer.

A six's thermometer is used to measure the human body temperature.

A laboratory thermometer can be used to measure the maximum and minimum temperatures of the day.

Describe the working of a six's thermometer.

An ethanol thermometer has a greater value of _____ coefficient of expansion than a mercury thermometer.

Ethanol thermometer is not suitable to measure low temperatures.

List the advantages of ethanol thermometer over other liquid thermometers.

Explain the working of ethanol thermometer.

The increase in room temperature leads to the expansion of mercury thermometer.

Explain the disadvantage of mercury thermometer on the basis of overheating.

Clinical thermometers have more advantages than digital thermometers.

Digital thermometers give readings faster than a clinical thermometer.

What is a clinical thermometer? List any two advantages of digital thermometer over clinical thermometer.