Everyday Science

Science in Kitchen

Here we address to reasoning questions arising in the minds of children on the basis of their day to day observations by giving their scientific answers. Some questions which children asked over the years regarding science in our kitchen are given below :

Why is it suggested that the cooking gas stove should be turned to ‘sim’ position as soon as the pressure cooker gives the first whistle ?

Whistle in the cooker indicates that the food material in the cooker has started boiling. You may be knowing that the water boils at a definite temperature (=100⁰C for pure water) which remains constant till whole of the water is not boiled off as steam.

  More...
Why do we have tears in our eyes while cutting onions?

You might have experienced that while cutting onion, there is burning and tearing in our eyes. In fact when you cut an onion, the cells are broken and it releases certain vapours. In this process the enzymes that were kept separate, get mixed with the sulfuric acids present in it, which produces a volatile

  More...
While cooking vegetables if salt is added in the beginning itself it takes lesser time for cooking, why ?

It is important to mention here that the impurities dissolved in water elevate its boiling point. Hence, when salt is added to vegetables in the beginning, the salted water boils at a higher temperature.

  More...
Latest Updates
 Vigyan Apke Liye  

Vigyan Aapke Liye (Science For You)  is a popular science magzine in Hindi. It is aimed at cultivating science temprament and attitude among the people particularly the children.
Know Why, How and What?

We observe a number of events happening around us.  Doyou know the reasons why do  such things happen? Here are such events and their reasons.....such events and their reasons.....
Learning Through Testing

Science is a study of nature around us. Learning Science is a part of life. But ordinarly we are not aware of it. You can test how much science you know and also learn while testing.....
Science for Curious Mind

First step for cognitive learning is curiousity. Unsatisfied curiousity leads to frustration. There are many questions which children ask very frequently and do'nt get answers.....

Do You Know
Cats have over one hundred vocal sounds, while dogs only have about ten.
 
 

Thought
of
the Day
 
But in science the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.
Francis Darwin
You are Visitor No :  03379894
Copyright © World of Science, All Rights Reserved ® Disclaimer