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Blow Hot, Blow Cold - 2 Class 5 Worksheet EVS Chapter 15

Q1: Fill in the Banks.


(i) Our breath is ______than a hot chapatti hence we can make it cool by blowing on it.

(ii) Whenever the air flows ___ the paper snake will move in the clockwise direction.

(iii) The ___ air rises up while the ____ air comes down.

(iv) The air blown from our mouth is ____ in winter and _____ in summer.

(v) The air we breathe out contains _____ which turns into drops when they touch a cold surface.

(vi) We can ____ our hands in winter by blowing from our mouth.

(vii) When we fan a burning coal we will increase the ____ of the coal.

(viii) When we breathe in our chest ______.

(ix)  _____ air is light and rises up.

(x) Our breath is ____ than hot tea and hence we blow to cool it.

Q2: Give one or two words for the following.

(i) Instrument that is used to listen to heartbeat._____

(ii) How many times does our heart beat in one minute?

(iii) When the air flows downward the paper snake will move________.

Q3: True & False Questions

(i) A wood cutter kept blowing into his hands while cutting the wood to keep them cold.

(ii) A popcorn seller fans the burning coal to increase the air supply.

(iii) We use a thermometer to listen to the heart beat.

(iv) Whenever the air flows upward, the paper snake will move clockwise.

(v) The story Blow Hot Blow Cold was written by Dr. Zakir Hussain, the former president of India.

Q4: Answer the given questions

(i) Suppose you are given hot khichdi to eat. How will it cool down without blowing air from your mouth?

(ii) You bang your head while playing and your forehead Is swollen. A warm handkerchief is put over the swollen area it gives you relief. Why it is so?

(iii) Why the air blown from our mouth cools the things in summer and warm in winters?

(iv) Why do the people blow on the spectacles before cleaning it?

(v) How do you cool down your porridge without blowing air from your mouth?

(vi) How does the mirror look hazy when we blow hard on it?

(vii) Why does our heart beat faster after running?

(viii) How does breath help to warm your cold hands winter?

The solutions of the worksheet "Blow Hot, Blow Cold - 2"

The document Blow Hot, Blow Cold - 2 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 - 2 Class 5 Worksheet EVS Chapter 15

1. What is the main concept of the "Blow Hot, Blow Cold" activity?
Ans. The "Blow Hot, Blow Cold" activity is designed to teach students about the concepts of temperature and how to use descriptive words to indicate warmth or coolness. It helps children learn to express their observations and feelings about temperature changes in a fun and interactive way.
2. How can teachers implement the "Blow Hot, Blow Cold" activity in the classroom?
Ans. Teachers can implement the "Blow Hot, Blow Cold" activity by setting up a simple game where one student hides a small object while others try to find it. The student who is hiding can give clues by saying "hot" when the seekers are close to the object and "cold" when they are far away. This encourages teamwork and listening skills.
3. What skills do students develop by participating in the "Blow Hot, Blow Cold" activity?
Ans. By participating in the "Blow Hot, Blow Cold" activity, students develop important skills such as critical thinking, problem-solving, teamwork, and communication. They learn to listen carefully to clues and work together to achieve a common goal, which enhances their social interaction skills.
4. Can "Blow Hot, Blow Cold" be adapted for remote learning?
Ans. Yes, "Blow Hot, Blow Cold" can be adapted for remote learning by using a virtual platform. Teachers can have students take turns hiding an object in their own home while others guess its location using the hot and cold clues. This adaptation encourages engagement and interaction among students even when they are not physically together.
5. What age group is most suitable for the "Blow Hot, Blow Cold" activity?
Ans. The "Blow Hot, Blow Cold" activity is most suitable for children in elementary school, typically around ages 5 to 10. This age group enjoys interactive games and can easily grasp the concepts of hot and cold, making it an effective learning tool for this demographic.
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