Advertisements
Advertisements
Question
For what other things do you blow air from your mouth?
Advertisements
Solution
The other things for which I blow air from my mouth are:
-
For whistling.
-
For playing with a firkin.
-
On erasing on the notebook with an eraser the rubber particles are removed by blowing air on them.
-
For cleaning the spectacles.
APPEARS IN
RELATED QUESTIONS
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.
- Have you warmed your hands in winter by blowing on them when they are cold? How does it feel?
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?
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 hand on your chest. When you breathe in, does your chest come out or go in.
Jump 30 times. Did you feel breathless?
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?
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?
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?
