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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
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?
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?
Have you ever burnt your tongue when you ate or drank something that was too hot? How do you cool some food when it is too hot?
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?
Take a glass. Bring it near your mouth and blow hard on it. Do this two or three times. Does the glass look hazy?
Put your finger under your nose. Can you feel any air when you breathe out from your nose?
Jump 30 times. Did you feel breathless?
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?
Can you understand from the movement of the snake - if the air is moving upwards or downwards?
