Q1: What did the woodcutter do to keep his hands warm in the winter?
Ans: The woodcutter blew on his hands to keep them warm in the winter.
Q2: Why did the woodcutter blow on his hot potato?
Ans: The woodcutter blew on his hot potato to cool it down.
Q3: Why did the woodcutter blow on the fire of the chulha?
Ans: The woodcutter blew on the fire of the chulha to help the wood burn.
Q4: What happens when we blow hot air onto a colder surface like a mirror?
Ans: The hot air contains water vapor which turns into tiny droplets of water when it comes in contact with a colder surface like a mirror.
Q5: What is an instrument used to hear heartbeats called?
Ans: An instrument used to hear heartbeats is called a stethoscope.
Q6: How many breaths does an adult take in one minute?
Ans: An adult takes 8 to 16 breaths in one minute.
Q7: How many breaths can infants have per minute?
Ans: Infants can have up to 44 breaths per minute.
Q8: Why do we feel breathless after doing physical activities for a long time?
Ans: We feel breathless after doing physical activities for a long time because our body needs more oxygen, so we tend to take more breaths.
Q9: What does the sound of a heartbeat resemble?
Ans: The sound of a heartbeat resembles a ticking clock.
Q10: How can we make our own stethoscope?
Ans: We can make our own stethoscope using a tube and a funnel to listen to our own heartbeat.
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