Class 3 Evs - WEST-BENGAL

Water – A Precious Gift

The chapter 'Water – A Precious Gift' in the Class 3 WBBSE EVS curriculum introduces young learners to the vital role of water in our daily lives. Students learn about the different sources of water such as rain, rivers, ponds, and tube wells. The chapter emphasizes the importance of saving water, preventing wastage, and keeping water sources clean to avoid diseases. For West Bengal board exams, this chapter is crucial as it builds fundamental environmental awareness, testing students on daily water uses, conservation habits, and basic geographical sources of water found in their surroundings.

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Key Concepts

Sources of Water

Rain is the primary natural source of water on Earth, which fills up rivers, lakes, ponds, and underground reservoirs.

Uses of Water

Water is essential for drinking, cooking, washing, bathing, and watering plants in our daily lives.

Water Conservation

Saving water by turning off taps while brushing and repairing leaks is necessary because clean water is limited.

Potable Water

Water that is clean, safe, and fit for drinking after boiling or filtering to remove germs.

Rainwater Harvesting

Collecting and storing rainwater for future use instead of letting it run off into drains.

Important Formulas

Definition: Potable Water = Clean and safe water that is free from germs and fit for drinking.
Definition: Rainwater Harvesting = Collecting and storing rainwater for future household and agricultural use.
Definition: Water Conservation = Using water carefully and stopping wastage to save it for the future.

Board Exam Info

In West Bengal (WBBSE) Class 3 EVS exams, this chapter typically carries around 5 to 8 marks. Common question types include fill in the blanks, match the following, short descriptive questions about uses of water, and 'True or False' statements regarding water conservation habits.

Frequently Asked Questions

Why is water called a precious gift?

Water is called a precious gift because all living things like humans, animals, and plants need water to survive, and without it, life on Earth is impossible.

What are the main sources of water we use?

The main sources of water we use are rain, rivers, ponds, lakes, and underground water accessed through tube wells and wells.

How can we save water at home?

We can save water at home by turning off the tap while brushing our teeth, fixing leaking pipes, using a bucket for bathing instead of a shower, and reusing wastewater for watering plants.

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