MEDIUM
7th CBSE
IMPORTANT
Earn 100

Mercury is used in thermometers because
 

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Important Questions on Temperature and Heat

EASY
7th CBSE
IMPORTANT
The Science Hub>Chapter 5 - Temperature and Heat>Exercises>Q 1
_____ is the fastest mode of transfer of heat. 
EASY
7th CBSE
IMPORTANT
The Science Hub>Chapter 5 - Temperature and Heat>Exercises>Q 1
_____ is the mode of transfer of heat where no medium is required. 
EASY
7th CBSE
IMPORTANT
The Science Hub>Chapter 5 - Temperature and Heat>Exercises>Q 1
_____ metal is used in the bulb of a thermometer. 
MEDIUM
7th CBSE
IMPORTANT
The Science Hub>Chapter 5 - Temperature and Heat>Exercises>Q 1
Metals are _____ and plastics are _____ of heat. 
MEDIUM
7th CBSE
IMPORTANT
The Science Hub>Chapter 5 - Temperature and Heat>Exercises>Q 1
_____ coloured objects absorb more heat. 
MEDIUM
7th CBSE
IMPORTANT
The Science Hub>Chapter 5 - Temperature and Heat>Exercises>Q 1

Give reasons for the following. 

People prefer to wear light-coloured clothes in the summer season. 

MEDIUM
7th CBSE
IMPORTANT
The Science Hub>Chapter 5 - Temperature and Heat>Exercises>Q 1

Give reasons for the following. 

Ventilators in houses are provided at the top of the walls. 

MEDIUM
7th CBSE
IMPORTANT
The Science Hub>Chapter 5 - Temperature and Heat>Exercises>Q 1
Give reasons for the following. 
We use iron or aluminium utensils for cooking food.