🔬 Class 2 Science – Chapter 4: Air, Water, and Weather
🔹 1. Introduction
Air, water, and weather are very important for life.
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Air helps us breathe
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Water keeps us healthy and alive
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Weather affects our daily activities and clothes
🔹 2. Air
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Air is all around us but we cannot see it 🌬️
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It is important for breathing
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Air helps plants, animals, and humans live
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Air can move things like a balloon or kite
💡 Fun Fact: Air occupies space and has weight.
🔹 3. Water
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Water is essential for life 💧
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We use water for:
✅ Drinking
✅ Cooking
✅ Bathing
✅ Washing
✅ Watering plants -
Sources of water: Rivers, Lakes, Ponds, Rain, Wells
💡 Tip: Always drink clean water and save water.
🔹 4. Weather
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Weather is the condition of air, temperature, and sky at a place
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Types of weather:
✅ Sunny ☀️
✅ Rainy 🌧️
✅ Cloudy ☁️
✅ Windy 🌬️
✅ Snowy ❄️
💡 Weather changes every day.
🔹 5. Importance of Air, Water, and Weather
| Thing | Importance |
|---|---|
| Air | We breathe it; helps birds and insects fly |
| Water | We drink it; plants and animals need it |
| Weather | Helps us know how to dress; affects farming and daily life |
🧩 Exercise / MCQs
1️⃣ Air is ______.
(a) Visible
(b) Invisible
(c) Heavy only
(d) Cold only
✅ Answer: (b) Invisible
2️⃣ We need water for ______.
(a) Sleeping
(b) Eating only
(c) Drinking, cooking, and washing
(d) Reading
✅ Answer: (c) Drinking, cooking, and washing
3️⃣ Sunny, rainy, and windy are types of ______.
(a) Water
(b) Air
(c) Weather
(d) Plants
✅ Answer: (c) Weather
4️⃣ Air helps ______.
(a) Plants grow
(b) Humans breathe
(c) Birds fly
(d) All of these
✅ Answer: (d) All of these
5️⃣ Sources of water are ______.
(a) Rivers and lakes
(b) Stones
(c) Soil
(d) Air
✅ Answer: (a) Rivers and lakes
✨ Summary
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Air is invisible and helps all living things breathe.
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Water is needed for drinking, washing, cooking, and plants.
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Weather is the condition of air and sky; it can be sunny, rainy, cloudy, windy, or snowy.
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Air, water, and weather are important for life.