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प्रश्न
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.
- Blowhard from your mouth onto your hands. How did you find the air from your mouth as compared to the air around you? Was it hotter, or cooler?
उत्तर
On blowing hard from the mouth onto the hands, the air from the mouth feels hotter as compared to the air around.
APPEARS IN
संबंधित प्रश्न
Balishtiye saw that the woodcutter was trying to cool the hot potatoes by blowing on them. What would have happened if he had eaten the potatoes without cooling them?
If you were to cool these three hot things – dal, roti, rice – in which ways would you do so?
For what other things do you blow air from your mouth?
Picture 1 - Mini tried to cool her tea by blowing on it. Which do you think will be hotter – Mini’s tea or the air she blew from her mouth?
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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?
Now again count how many times in one minute you breathed in and out.
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Can you understand from the movement of the snake - if the air is moving upwards or downwards?
