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प्रश्न
What was the difference in your count before and after jumping?
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उत्तर
I breathed about 6 times more after jumping. The difference in the count before and after jumping shows that the breathing rate increases after jumping.
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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.
- Now put your hands at some distance from your mouth, and blow again. Does the air from your mouth feel warm? Why?
Can you think of any other way in which you use the warmth from your breath?
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?
If you were to cool these three hot things – dal, roti, rice – in which ways would you do so?
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 someone blowing on their spectacles to wipe them clean? How does the air from the mouth help in cleaning the spectacles?
Count how many times in one minute do you breathe in and breathe out.
Jump 30 times. Did you feel breathless?
Can you make a mirror hazy in the same way? Can you tell by touching the mirror what made it hazy? Is the air you blew from your mouth dry or wet?
Stand with this snake below a fan. Look in which direction it moves. Take this paper snake to different places and observe its movement.
