MEDIUM
7th CBSE
IMPORTANT
Earn 100

Give the difference between: Laboratory thermometer and clinical thermometer

Important Questions on Heat

MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 4 - Heat>Let's revise>Q C

How does the constriction near the bulb in a clinical thermometer help in measuring body temperature accurately?

MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 4 - Heat>Let's revise>Q C
Draw a labelled diagram of a mercury thermometer. How does it function? What is its use?
MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 4 - Heat>Let's revise>Q C

Describe an experiment to show the formation of convection currents in a liquid.

HARD
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 4 - Heat>Let's revise>Q C

  Why do we use mercury as a liquid in thermometers?

HARD
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 4 - Heat>Let's revise>Q C
What are the differences between convection and radiation?
HARD
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 4 - Heat>Let's revise>Q C
Explain with the help of diagram how land and sea breezes occur.
MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 4 - Heat>Let's revise>Q D

State two applications of radiation.

MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 4 - Heat>Let's revise>Q D
Give reason: The radiators of cars are painted black.