If you were to cool these three hot things – dal, roti, rice – in which ways would you do so?

One Line Answer

Dal, roti, and rice can be cooled by keeping them in a broad container under a fan and also by blowing air on them from the month.

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Blow Hot, Blow Cold

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Chapter 15 Blow Hot, Blow Cold
Blow Hot, Blow Cold | Q 2.5 | Page 142

Miya Balishtiye was confused when he saw the woodcutter blowing on his cold hands to make them warm and on the hot potatoes to cool them.

Have you warmed your hands in winter by blowing on them when they are cold? How does it feel?

Miya Balishtiye was confused when he saw the woodcutter blowing on his cold hands to make them warm and on the hot potatoes to cool them.

Now put your hands at some distance from your mouth, and blow again. Does the air from your mouth feel warm? Why?

Fold a piece of cloth 3-4 times. Now bring it close to your mouth and blow hard on it. Did the cloth become warm?

Have you ever burnt your tongue when you ate or drank something that was too hot? How do you cool some food when it is too hot?

For what other things do you blow air from your mouth?

Picture 2 - Sonu was feeling very cold. He kept blowing onto his hands. Now think and write, which will be cooler – Sonu’s hands or his breath?

Can you name some things which produce melodious or pleasing sounds when we blow into them?

Take a glass. Bring it near your mouth and blow hard on it. Do this two or three times. Does the glass look hazy?

Jump 30 times. Did you feel breathless?

Stand with this snake below a fan. Look in which direction it moves. Take this paper snake to different places and observe its movement.