Water: Our Lifeline
Water: Our Lifeline: Overview
This topic covers concepts, such as, Wastewater, Water, Polluted Water, Water for Life & Cleaning of Water etc.
Important Questions on Water: Our Lifeline
Choose the right word and fill in the blank.
Big portion of our body is _____. (thirst, water, life, electricity)
Choose the right word and fill in the blank.
Water is _____. (thirst, water, life, electricity)
Think ! What will happen if we don't get water?
Chlorine tablets are used to purify water.
Which of the following is the wastewater?
Where is the wastewater generated from?
The process of adding chlorine to the water to purify it is called _____.
Fill in the blank with an appropriate option:
_____(Purities/Impurities/Alum) are substances that make water unfit for consumption.
What is the purpose of adding alum in the water treatment process?
Why should drinking water be purified? Suggest some methods that you can use at home.
Which of the following methods can be used to purify drinking water?
Write the ways of water purification at water works.
Name the different methods of removing soluble and insoluble impurities in water.
