Question 2 :
The precautions to be taken while reading a clinical thermometer are:

Question 3 :
Why are handles of most utensils made up of plastic and wood?

Question 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb77f59b460d7261ec40.PNG' /> Observe the above figure : Water is being boiled in a pan of wide base. Fill up the box $T$ to indicate the mode of flow of heat to the hand.

Question 5 :
When water is heated, the water near the flame gets hot. Hot water rises up. The cold water from the sides moves down towards the source of heat. This water also gets hot and rises and water from the sides moves down. This process continues till the whole water gets heated. This mode of heat transfer is known as ___________.

Question 6 :
To keep her soup warm Paheli wrapped the container in which it was kept with a woolen cloth. Can she apply the same method to keep a glass of cold drink cool?

Question 7 :
In places of hot climate it is advised that the outer walls of houses be painted white.Why?

Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb7af59b460d7261ec43.png' /> In the image above, at $B$ the heat is being transferred by: