Last updated on June 26th, 2023 at 10:38 pm
Class 4 EVS Storage of water
Q: Why should we store water?
Storing water is important as it is a valuable natural resource needed for multiple activities. By storing water, we can ensure a backup supply during times of scarcity or emergencies.
Q: What were the traditional ways of storing water in the house?
Traditional ways of storing water in the house include using clay pots, copper pots, or earthenware pitchers, which keep the water cool and fresh for a longer time. Some people also store water in underground tanks or wells, which collect rainwater or groundwater.
Q: What is a dam built on?
A dam is built on a river or a stream to create an artificial reservoir or lake to store water. The dam is constructed by building a wall across the river, which causes the water to accumulate behind the wall and form a reservoir.
Q: What is water pollution
Water pollution is the contamination of water bodies by harmful substances such as chemicals, pesticides, and industrial waste, which can have severe consequences on aquatic life, human health, and the environment. Preventing water pollution requires sustainable practices, reducing waste, and treating sewage and industrial waste before discharging it into water bodies.
Q: What is Panpoi?
Panpoi is a practice of keeping big clay jars of drinking water in public places for the use of thirsty people, which is offered free of charge.
Q: Who sets up Panpois?
Panpois are set up by individuals or institutions.
Q: What are some traditional methods of water storage?
Some traditional methods of water storage include wells, tanks, and reservoirs.
Q: What are some modern methods of water storage?
Some modern methods of water storage include dams, artificial lakes, and underground water tanks.
Q: Why is economical use of water important?
Economical use of water is important because it ensures that water is used efficiently and not wasted, which is important for sustainable use of this natural resource.
Q: Why is water a natural resource?
Water is a natural resource because it is naturally occurring and found in lakes, rivers, oceans, and underground.
Q: Why is water important for all living things?
Water is important for all living things because it is necessary for various biological functions, such as hydration, regulation of body temperature, and transportation of nutrients and waste.
Q: What is the significance of dams in water storage?
Answer: Dams have played a significant role in water storage as they make it possible to store huge quantities of water, which has led to more land being brought under cultivation, cities growing, and factories being set up. Dams also generate electricity and help regulate water flow in rivers.
Q: What are borewells, and how are they used for water storage?
