EASY
7th CBSE
IMPORTANT
Earn 100

Name the liquid which is commonly used in thermometers. 

Important Questions on Heat

EASY
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 4 - Heat>Exercises>Q 1
What is a clinical thermometer? Why does it have a short range of temperature from 35 °C to 42 °C?
EASY
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 4 - Heat>Exercises>Q 2
What is the difference between heat and temperature?
MEDIUM
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 4 - Heat>Exercises>Q 3

Explain why a clinical thermometer cannot be used to measure high temperature.

MEDIUM
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 4 - Heat>Exercises>Q 4
Can we use a laboratory thermometer to measure human body temperature? Give reason for your answer.
HARD
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 4 - Heat>Exercises>Q 5
Why does the mercury level not fall on its own when the bulb of a clinical thermometer is removed from the mouth?
EASY
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 4 - Heat>Exercises>Q 1
How do woollen clothes keep us warm in winter?
MEDIUM
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 4 - Heat>Exercises>Q 2
Describe the blowing of sea-breeze and land-breeze in coastal areas with the help of labelled diagrams.
MEDIUM
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 4 - Heat>Exercises>Q 3
How does a thermos flask minimise the transfer of heat?