Too Much Water, Too Little Water - 2 Class 4 Worksheet EVS Chapter 18

Q1: Fill up these blanks with suitable words:

(boiling, tank, water-park, drinking, diarrhoea)
(i) Suguna’s father offered cold drink to the guest as their water was not fit for ___________.
Ans: Suguna’s father offered cold drink to the guest as their water was not fit for drinking.

(ii) Rohan and Reena went to ___________ with their parents.
Ans: Rohan and Reena went to water-park with their parents.

(iii) Mixing of gutter water with drinking water pipes in Raziya’s area caused _________ and vomiting among people.
Ans: Mixing of gutter water with drinking water pipes in Raziya’s area caused diarrhoea and vomiting among people.

(iv) Razia planned to clean the water by ______.
Ans: Razia planned to clean the water by boiling.

(v) Children of Bhima Sangh cleaned the _______ and made the area green again.
Ans: Children of Bhima Sangh cleaned the tank and made the area green again.

Q2: Multiple Choice Questions (MCQ)

(i) Which of the following is not a method to clean the dirty water?
(a) Boiling
(b) Filtration
(c) Treating with alum
(d) Playing in water
Ans: (d)
Playing in water is a fun activity, but it doesn't make the water clean. The other options, like boiling, filtration, and treating with alum, are ways to make dirty water safe to drink.

(ii) Which of these is not made by man?
(a) Well
(b) Pond
(c) River
(d) Tube well
Ans: (c)
A river is a big, flowing water body made by nature, not by people. The other things like wells, ponds, and tube wells can be made by humans to store or get water.

(iii) We should save water because___
(a) There is enough water for everyone
(b) It is precious
(c) Everyone talks about saving water
(d) None of these
Ans: (b)
Water is really special and important for everything alive. Just like how we take care of our toys or precious things, we need to take care of water because it's precious too.

(iv) We must take our bath daily but
(a) Use a shower
(b) Use a bucket and mug
(c) Splash water all around us
(d) Also play with water
Ans: (b)
It's important to take a bath every day to stay clean and healthy. Using a bucket and mug for bathing instead of a shower helps to use less water and not waste it.

(v) Which of the following is a water borne disease?
(a) Typhoid
(b) Malaria
(c) Dengue
(d) Viral fever
Ans: (a)
Typhoid is a sickness that can spread through dirty water. When we drink or use water that has germs, like typhoid, it can make us sick.

(vi) Which of the following is a man-made resource of water?
(a) River
(b) Spring
(c) Pond
(d) Sea
Ans: (c)
A pond is like a small lake and can be made by people to store water. Rivers, on the other hand, are made by nature when water flows.
(vii) The correct statement is
(a) Only animals need water
(b) Only plants need water
(c) Only man needs water
(d) All living things need water
Ans: (d)
Water isn't only important for people or animals; it's important for all living things like plants too. We all need water to live and grow.

(viii) When we are thirsty, we should ______.
(a) Demand soft drinks
(b) Drink water
(c) Trouble mother
(d) Eat snacks
Ans: (b)
When we feel thirsty, it's our body's way of telling us that it needs water. To help our bodies feel better, we should drink water, not demand soft drinks or eat snacks.

Q3: Short Questions Answer

(i) What is the source of drinking water in your house and school?
Ans: Source of drinking water in my house is municipal tap and the sources of drinking water in my school are municipal tap and borewell.

(ii) Collect some newspaper clippings and find reasons for shortage of water.
Ans: Following are some of the reasons for shortage of water:

• Increase in population
• Wasting lot of water while bathing, washing, brushing etc.
• Less rainfall
• Industrialization
• Urbanization
• Depletion of ground water
• Silting of water reservoirs
• Insufficient number of reserviors

(iii) What is ORS? What are its ingredients?
Ans: ORS (Oral Rehydration Solution) is a liquid that can decrease fluid loss in persons with diarrhea.
Ingredients of ORS are as follows:

• Sugar (6 level teaspoons)
• Salt (1/2 level teaspoons)
• Water (1 litre of clean water)