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प्रश्न
Can you name some things which produce melodious or pleasing sounds when we blow into them?
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उत्तर
Some of the things which produce melodious or pleasing sounds when we blow into them are been flute, pungi, shehnai, banjo, etc.
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संबंधित प्रश्न
Can you think of any other way in which you use the warmth from your breath?
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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?
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.
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?
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Do you want to listen to your heartbeat? Take a rubber tube as long as the distance from your shoulder to your elbow. At one end of the tube fix a funnel. Place the funnel on the left side of your chest. Put the other end of the tube to your ear. Listen carefully. Did you hear a dhak dhak sound?
Can you understand from the movement of the snake - if the air is moving upwards or downwards?
