MEDIUM
7th CBSE
IMPORTANT
Earn 100

Define the following term:

Convection current

Important Questions on Heat

MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>Summative ASSESSMENT>Q 1
Why are the pipes of solar heater and the containers of solar cooker painted black?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>Summative ASSESSMENT>Q 2
Two objects at the same temperature one smaller than the other, are placed together. In which direction will the heat be transferred? Give reason.
MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>Summative ASSESSMENT>Q 3
Why is a room heater placed near the floor and an air conditioner near the ceiling?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>FORMATIVE & SUMMATIVE ASSESSMENTS>Q 1
The temperature scale that has lower fixed point at 0 â„ƒ and the upper fixed point at 100 â„ƒ is called
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>FORMATIVE & SUMMATIVE ASSESSMENTS>Q 2
Solids transfer heat by 
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>FORMATIVE & SUMMATIVE ASSESSMENTS>Q 3
Ventilation in rooms is due to 
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>FORMATIVE & SUMMATIVE ASSESSMENTS>Q 4
In which of the following modes of heat transfer, do the molecules travel from the hotter part of a body to the colder part?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 4 - Heat>FORMATIVE & SUMMATIVE ASSESSMENTS>Q 5
A wooden spatula is inserted into frozen ice cream. Its other end