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प्रश्न
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?
उत्तर
Mini’s tea would be hotter as compared to the air blown blew from her mouth.
APPEARS IN
संबंधित 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.
- 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.
- 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?
If you were to cool these three hot things – dal, roti, rice – in which ways would you do so?
Have you seen people playing different musical instruments like flute, dholak, been ...., guitar, mridang, etc. Can you recognize their sounds with your eyes closed? Find out more about these musical instruments. Collect their pictures too.
Have you seen someone blowing on their spectacles to wipe them clean? How does the air from the mouth help in cleaning the spectacles?
Jump 30 times. Did you feel breathless?
Now again count how many times in one minute you breathed in and out.
What was the difference in your count before and after jumping?
We blow to cool hot things as well as to warm them. Give examples of each.
Can you understand from the movement of the snake - if the air is moving upwards or downwards?
