CBSE Class 5 EVS Worksheet Chapter 15 Blow Hot Blow Cold - PDF

This chapter introduces novel ideas to kids, which are extremely useful in our everyday lives. 

• The difference between warm, cold, hot, and freezing become clear to children through examples and explanations in this chapter.

• Through practical examples, kids understand how an object turns clockwise or anti-clockwise based on the flow direction of air.

• They also learn that in emergency situations like getting hit on the head, a cold or hot compress helps in bringing down the swelling. This can prepare them to take necessary action if such a situation arises.

• Through the concept of breathing, kids also learn how their breath rate goes up and down before and after a strenuous activity like jumping.

Examples of Blow Hot Blow Cold Class 5 EVS Worksheet

Blowing has many purposes, and the examples in this chapter show students to explore all the different ways blowing is used in our lives.

• Why do you blow air for the following activities?

• Playing flute

• Blowing birthday candles

• Blowing on cold hands

• Blowing on a toy that rotates

• Draw the instrument that doctors use to hear the heartbeat.

• Measure the chest of three children when they breathe in and breathe out and find out the difference.

• A number of pictures of instruments are provided (trumpet, flute, violin, guitar, drum, saxophone,) and kids have to choose and colour those instruments which make a sound when we blow into them.

• Blow hot blow cold MCQ questions:

• We feel warm when we put on a blanket because:

• The blanket is warm.

• The blanket does not let air enter.

• Our body is warm.

• None of the above.

Interesting Facts About Blowing Air

• If air is blown through a small opening in a fast manner, the air that comes out is cold.

• If air is blown through a large opening in a slow manner, the air that comes out is hot.

• If we place our hands close to our mouth, we feel hot air but if we move them away, the air feels colder.

• The air coming out of our mouths does not differ in temperature, but it is the air in our surroundings that causes hot and cold phenomena. 

• The air in our atmosphere is always cooler than the air from our lungs.

Important Topics of Blow Hot Blow Cold Chapter

• Understand the concept of blow hot blow cold through a story and various practical experiments.

• Perform some experiments to find out how our breathing changes after an exercise.

• Make a stethoscope of a rubber tube and listen to your heart rate.

• Make whistles out of different objects like a toffee wrapper, cap of a pen, balloon, etc. and find out which one makes the loudest sound when you blow in it.

Get Your Free Copy of Hot and Cold Worksheet PDF Now

• The concept of hot and cold through blowing is explained in an interesting manner so that kids understand as well as play around with this concept in many ways.

• The blow hot blow cold Class 5 EVS worksheet Pdf is available to download for free so that you can keep it on your device and access it from anywhere anytime.

• The Pdf is also available in a printable format which gives you the ease of access for a quick revision right before your exam.

Vedantu has an experienced team of experts who do extensive research to come up with content for Class 5 students. The PDF adheres to the latest CBSE curriculum and can guarantee you high marks in exams.