Class 2 Evs - WEST-BENGAL

Air

The chapter 'Air' in Class 2 EVS introduces young learners to the invisible yet vital substance that surrounds us. Students explore how air is all around us, even though we cannot see it, and learn about its presence through feeling the wind and observing moving objects like kites and flags. The chapter explains that all living things—humans, animals, and plants—need air to breathe and survive. For WBBSE board exams, this chapter is important as it builds the foundational scientific understanding of the natural environment, tested through simple identification and descriptive questions.

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Key Concepts

Air is Everywhere

Air fills up empty spaces around us. Even in an empty glass or bottle, air is present.

We Cannot See Air

Air has no color and cannot be seen with our eyes, but we can feel it when it blows.

Wind

Moving air is called wind. Gentle wind is called a breeze, and very strong, fast wind can be a storm.

Need for Breathing

All living things like people, animals, and plants need air to breathe and stay alive.

Uses of Air

Air helps us to breathe, fills up balloons and tires, helps clothes dry faster, and makes kites fly.

Important Formulas

Definition of Wind: Moving air is called wind.
Definition of Breathing: Taking in air to live is called breathing.

Board Exam Info

In the West Bengal Board of Primary Education (WBBSE) Class 2 EVS curriculum, this chapter typically carries around 5 to 8 marks. Common question types include fill-in-the-blanks, true or false, matching, and short answer questions like 'Why do we need air?' or 'What is moving air called?'.

Frequently Asked Questions

Can we see air?

No, we cannot see air because it has no color, but we can feel it when the wind blows.

Why do we need air?

We need air to breathe, live, and do many daily activities like filling balloons and drying clothes.

What is wind?

Wind is simply air that is moving around us.

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