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प्रश्न
If you were to cool these three hot things – dal, roti, rice – in which ways would you do so?
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उत्तर
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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संबंधित प्रश्न
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?
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.
Put your hand on your chest. When you breathe in, does your chest come out or go in.
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?
While playing, Amit hit a wall. His forehead was swollen. Didi immediately folded a scarf (4-5 times), blew on it, and kept it on Amit's forehead. Why do you think didi did this?
Measure your chest
– Take a deep breath in
– Ask your friend to measure your chest with a thread. Measurement ____________
– Now breathe out. Again ask your friend to measure your chest. Measurement ____________
– Was there any difference in the two measurements of your chest?
Stand with this snake below a fan. Look in which direction it moves. Take this paper snake to different places and observe its movement.
Can you understand from the movement of the snake - if the air is moving upwards or downwards?
