Class 5 Evs - BIHAR
Water - The Essence of Life
The chapter 'Water - The Essence of Life' in the Bihar Board (BSEB) Class 5 EVS textbook 'Our Wondrous World' teaches students about the extreme importance of water for all living beings. Young learners explore the different sources of water, such as rivers, ponds, and groundwater, and understand the water cycle in a simple way. The chapter emphasizes the urgent need for water conservation, safe drinking habits, and preventing water pollution. For board exams, this chapter is crucial as it tests students' understanding of daily environmental issues, sanitation, and practical ways to save water at home.
Start Learning FreeKey Concepts
Sources of Water
Rain is the primary source of water on Earth, which fills up rivers, lakes, ponds, and underground water tables.
States of Water
Water exists in three forms in nature: solid (ice), liquid (water), and gas (water vapor).
Water Pollution
Contamination of water bodies by harmful waste, chemicals, and plastic makes it unsafe for drinking and harms aquatic life.
Water Conservation
Saving water through rainwater harvesting, turning off taps while brushing, and fixing leaks is essential for our survival.
Potable Water
Water that is clean, free from germs, and safe for drinking is called potable water.
Important Formulas
Board Exam Info
In the Bihar Board (BSEB) Class 5 EVS examinations, this chapter generally carries around 6 to 8 marks. Common question types include short answer questions on water conservation methods, fill-in-the-blanks regarding sources of water, and drawing or listing ways to prevent water wastage at home.
Frequently Asked Questions
Why is water called the essence of life?
Water is called the essence of life because no plant, animal, or human being can survive without it. Our body needs water to perform all daily functions.
How can we save water at home?
We can save water by closing taps tightly after use, using a bucket instead of a pipe for bathing and washing cars, and reusing RO wastewater for cleaning floors or watering plants.
What happens if we drink polluted water?
Drinking polluted water can cause dangerous waterborne diseases like cholera, diarrhea, typhoid, and jaundice.
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