Class 5 Exam > Class 5 Notes > EVS Class 5 > Worksheet: Blow Hot, Blow Cold - 1
Blow Hot, Blow Cold - 1 Class 5 Worksheet EVS Chapter 15
| Table of contents |
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| Multiple Choice Questions (MCQs) |
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| Match the Following |
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| Short Answer Questions |
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| True- Life Application Based Questions |
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Multiple Choice Questions (MCQs)
(i) What does the woodcutter blow on to warm them up?(a) His feet
(b) His hands
(c) The fire
(d) The potatoes
(ii) Why did the woodcutter blow on the fire?
(a) To make it hotter
(b) To cool it down
(c) To put it out
(d) To keep warm
(iii) What did Mian Balishtiye think the woodcutter was?
(a) A man
(b) A ghost
(c) A tree
(d) A djinn
(iv) What did the woodcutter do when he took out the potato from the pot?
(a) He ate it immediately
(b) He blew on it to cool it down
(c) He threw it away
(d) He gave it to Mian Balishtiye
(v) Suppose you are given hot khichdi to eat. How will cool down without blowing air from your mouth?
(a) By mixing cold water into it.
(b) By spreading it over the plate.
(c) By putting ice cubes into it.
(d) By spreading it over our palm.
(vii) Suppose you bang your head while playing and your forehead is swollen, a warmed handkerchief if put over it gives relief. Why is it so?
(a) Warm air kills germs on the injury.
(b) Handkerchief has medicine on it.
(c) Warm air soothes the skin giving relief.
(d) It is done to please children.
Match the Following
Short Answer Questions
(i) What did the woodcutter do to warm his cold hands?
(ii) Why did the woodcutter blow on the hot potato?
(iii) What did Mian Balishtiye think when he saw the woodcutter blowing on his hands and food?
(iv) How did the woodcutter feel when he was cutting wood in the forest?
(v) What happened when Mian Balishtiye saw the woodcutter blowing on the fire?
(vi) Why do we blow on hot tea to cool it?
True- Life Application Based Questions
(i) How can blowing air help keep you warm in winter and cool in summer at home?
(ii) How can blowing on your food help when you pack a picnic?
(iii) Why is it good to know about hot and cold air when you're cooking or using things like ovens at home?
(iv) How does blowing on your hands like the woodcutter teach us about dressing warmly for outdoor winter fun?
(v) What should you remember about blowing air when starting a barbecue or campfire safely?
Worksheets Solutions here: Worksheet Solutions: Blow Hot, Blow Cold - 1
The document Blow Hot, Blow Cold - 1 Class 5 Worksheet EVS Chapter 15 is a part of the Class 5 Course EVS Class 5.
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FAQs on Blow Hot, Blow Cold - 1 Class 5 Worksheet EVS Chapter 15
| 1. What is the concept of "Blow Hot, Blow Cold"? |  |
Ans. "Blow Hot, Blow Cold" is a concept used to describe the behavior of air when it is heated or cooled. It refers to the movement of air particles and how they expand or contract depending on the temperature.
| 2. How does heating affect the movement of air particles? | |
Ans. When air is heated, the air particles gain energy and move faster. This causes the air to expand and become less dense. As a result, the heated air rises and creates a convection current.
| 3. What happens to air when it is cooled? | |
Ans. When air is cooled, the air particles lose energy and move slower. This causes the air to contract and become more dense. The cooled air then sinks, creating a convection current in the opposite direction of the heated air.
| 4. How does the concept of "Blow Hot, Blow Cold" relate to weather patterns? | |
Ans. The concept of "Blow Hot, Blow Cold" is closely related to weather patterns. It explains how the uneven heating of the Earth's surface leads to the formation of high and low-pressure systems, which in turn influence wind patterns and weather conditions.
| 5. Can you provide an example of "Blow Hot, Blow Cold" in everyday life? | |
Ans. Yes, a simple example of "Blow Hot, Blow Cold" in everyday life is the movement of air around a radiator or heater. When the heater is turned on, the air around it is heated and rises, creating a flow of warm air. Conversely, when the heater is turned off, the air cools down and sinks, creating a flow of cool air.
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Document Description: Worksheet: Blow Hot, Blow Cold - 1 for Class 5 2025 is part of EVS Class 5 preparation.
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