English

We blow to cool hot things as well as to warm them. Give examples of each.

Advertisements
Advertisements

Question

We blow to cool hot things as well as to warm them. Give examples of each.

Short/Brief Note
Advertisements

Solution

Example, when we blow to cool hot things:

  1. A cup of tea
  2. any hot food etc.

Example when we blow to warm a cold thing. Our hands in the winters.

shaalaa.com
Blow Hot, Blow Cold
  Is there an error in this question or solution?
Chapter 15: Blow Hot, Blow Cold - Blow Hot, Blow Cold [Page 146]

APPEARS IN

NCERT Environmental Studies - Looking Around [English] Class 5
Chapter 15 Blow Hot, Blow Cold
Blow Hot, Blow Cold | Q 9.2 | Page 146

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.

  • Blowhard from your mouth onto your hands. How did you find the air from your mouth as compared to the air around you? Was it hotter, or cooler?

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?


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?


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


Have you seen someone blowing on their spectacles to wipe them clean? How does the air from the mouth help in cleaning the spectacles?


Put your hand on your chest. When you breathe in, does your chest come out or go in.


What was the difference in your count before and after jumping?


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?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×