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प्रश्न
For what other things do you blow air from your mouth?
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उत्तर
The other things for which I blow air from my mouth are:
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For whistling.
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For playing with a firkin.
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On erasing on the notebook with an eraser the rubber particles are removed by blowing air on them.
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For cleaning the spectacles.
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संबंधित प्रश्न
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?
Make whistles of the things given below. Write in a sequence–from the loudest to the softest whistle.
– Wrapper of a toffee
– A leaf
– A balloon
– The cap of a pen
– Any other thing
Can you name some things which produce melodious or pleasing sounds when we blow into them?
Have you seen someone blowing on their spectacles to wipe them clean? How does the air from the mouth help in cleaning the spectacles?
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?
Count how many times in one minute do you breathe in and breathe out.
Jump 30 times. Did you feel breathless?
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?
