Class 3 (SSC) • EVS भाग 1 - विज्ञान (परिसर अभ्यास)Chapter 6: Our Need for Air⭐ Topic 2
Practice and Revision - Our Need for Air
Let us practise and revise what we learned about our need for air. Air is essential for all living things to breathe, and clean air is impor
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Fun picture
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Learn the idea step by step
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We need air to breathe, and it contains oxygen which our body uses to stay alive and get energy from food.
Quick revision
Remember these!
- Air is essential for breathing.
- It contains oxygen for energy.
- Air is all around us, invisible.
- It also helps plants grow (photosynthesis).
- Polluted air comes from smoke, dust, vehicles.
- It can make people sick.
- We can plant trees to keep air clean.
- Avoiding burning waste also helps.
Words to know
our need for airssc std 3