EASY
5th CBSE
IMPORTANT
Earn 100

Blow hard from your mouth on to your hands. How did you find the air from your mouth as compared to the air around? Was it hotter or cooler?

Important Questions on Blow Hot, Blow Cold

EASY
5th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS V>Chapter 15 - Blow Hot, Blow Cold>Do this
 Put your hands at some distance from your mouth, and blow. Does the air from your mouth feel warm? Why?
MEDIUM
5th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS V>Chapter 15 - Blow Hot, Blow Cold>Think and tell
Mention the way in which we can use the warmth from our breath.
EASY
5th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS V>Chapter 15 - Blow Hot, Blow Cold>Think and tell
Fold a piece of cloth 3-4 times. Now bring it close to your mouth and blow hard on it. Did the cloth become warm?
EASY
5th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS V>Chapter 15 - Blow Hot, Blow Cold>Think and tell
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?
EASY
5th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS V>Chapter 15 - Blow Hot, Blow Cold>Think and tell
How do you cool some food when it is too hot?
EASY
5th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS V>Chapter 15 - Blow Hot, Blow Cold>Think and tell
If we were to cool these three hot things – dal, roti, rice – in which ways can we do so?
MEDIUM
5th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS V>Chapter 15 - Blow Hot, Blow Cold>Blow in different ways
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
MEDIUM
5th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS V>Chapter 15 - Blow Hot, Blow Cold>Write
Can you name some things which produce melodious or pleasing sounds when we blow into them?