Courses for Kids
Free study material
Offline Centres

Drop by Drop Class 3 Notes CBSE EVS Chapter 20 (Free PDF Download)

Last updated date: 27th Feb 2024
Total views: 189.6k
Views today: 4.89k

Class 3 EVS Drop by Drop Revision Notes: Quick Preparation and Faster Revision

Class 3 EVS Chapter 20 Drop by Drop explains the importance of water for our survival. It describes the life of the people living in a village named Bajjo. It is a desert village where water is very scarce. People walk miles to fetch water from a distant source. The chapter aims at explaining how critical life can be without a proper supply of water. To understand its context, refer to Class 3 EVS Drop by Drop revision notes prepared by the subject experts.

These revision notes will focus on explaining why the village people are upset. Read the entire article to find out how the water crisis was solved using simple scientific techniques. Understand the prime objective of this chapter from the Class 3 EVS Drop by Drop summary, themes, key points and practice questions that are provided further in the article.

Download CBSE Class 3 EVS Revision Notes 2023-24 PDF

Also, check CBSE Class 3 EVS revision notes for other chapters:

CBSE Class 3 EVS Revision Notes

Chapter 1: Poonam's Day Out Notes

Chapter 2: The Plant Fairy Notes

Chapter 3: Water O Water Notes

Chapter 4: Our First School Notes

Chapter 5: Chhotu’s House Notes

Chapter 6: Foods We Eat Notes

Chapter 7: Saying Without Speaking Notes

Chapter 8: Flying High Notes

Chapter 9: It’s Raining Notes

Chapter 10: What is Cooking Notes

Chapter 11: From Here to There Notes

Chapter 12: Work We Do Notes

Chapter 13: Sharing Our Feelings Notes

Chapter 14: The Story of Food Notes

Chapter 15: Making Pots Notes

Chapter 16: Games We Play Notes

Chapter 17: Here Comes A Letter Notes

Chapter 18: A House Like This Notes

Chapter 19: Our Friends Animals Notes

Chapter 20: Drop by Drop Notes

Chapter 21: Families can be Different Notes

Chapter 22: Left Right Notes

Chapter 23: A Beautiful Cloth Notes

Chapter 24: Web of Life Notes

Summary of Class 3 EVS Drop by Drop

Summary of Drop by Drop

  • Madho is from Bajju, a small Rajasthani village.

  • The village was surrounded by sand and barely one could see a house.

  • Madho and his family members were upset about the water scarcity in their village.

  • This was a common problem in the past, but this year there was no rain, which exacerbated their situation.

  • As a result, his mother and sister have to travel more to fetch water for the family.

  • Their feet burn and blisters are unavoidable while walking on the hot sand.

  • They are overjoyed when the train carrying water arrives. Madho's father rides his camel to get some water. But this was occasional.

  • People of his village used to collect and store rainwater in underground tanks also known as tankas.

Structure of tankas

Structure of Tankas

How to Build Tanks (Tanka)?

  • A pit is dug in the courtyard and made of pucca to build a tanka.

  • A lid is used to keep the tanka covered.

  • The house's roof is slanted so that rainwater collected here flows into the tanka through a pipe.

  • A sieve is attached to the pipe's mouth to ensure that no dirt enters the tanka.

  • After it has been cleaned, this water is used for drinking.

  • Sonal, like Madho, has a water shortage in her home.

  • She is a resident of Bhavnagar. Water is only available for half an hour per day.

  • The entire population of the area is reliant on a single tap.

  • Sonal is concerned about getting some water from the tap. She fills her bucket whenever she gets the chance, even if it's just a few drops at a time.

The Theme of Class 3 EVS Chapter 20 Drop by Drop

  • This chapter helps us to understand the importance of water in our life.

  • This chapter takes our attention toward those places where there is a serious shortage of water.

  • We can say that every drop of water counts.

  • There are places where we can’t find a mug of water easily.

  • People there use different ways to save and reuse water.

How to Reuse Water?

Reuse water.

Reuse Water

Let’s Observe the Above Image

  • The above image shows how we can reuse water.

  • In the first image, the woman is carrying limited water to her home.

  • Whereas in the second image the woman is using a charpai to take bath and the water is again stored in a vessel under the charpai.

  • Then in the third picture, the stored water is used to bathe her cattle and the water again goes to the roots of the plant.

  • This shows a small amount of water can be reused and water can be saved.

How Can We Save Water?

  • While brushing your teeth, turn off the taps.

  • Take quick showers

  • Use one utensil for drinking water

  • Collect rainwater

  • Wash fruits in a bowl of water

“Do you realise that one of the reasons for water scarcity is that people waste it.

Consider how wonderful it would be if everyone had access to water.”

Practice Questions:

Q1. Where do the people in Madho's village get their drinking water?

Ans: From the underground tanks.

Q2. Is it possible to reuse water that has been used for one purpose?

Ans: Yes, we can reuse the water that has already been used. Bathing water, for example, can be used to bathe animals.

Q3. What was the main reason for water scarcity in Bajju Village?

Ans: No rains for a longer period of time caused the scarcity in Bajju’s Village.

Q4. After washing hands and face, used water can be reused as?

Ans: That water can be used in washing clothes, bathing animals, etc.

Q5. Can you think of ways of saving water? Write your suggestions below.

Ans: Here are a few water-saving suggestions:

  • Never leave a water tap running.

  • Do not leave the tap or shower running while brushing your teeth or taking a bath.

  • Instead of taking a shower, fill a bucket with water and take a bath.

  • After you've finished washing your clothes, you can reuse the waste water to clean your washroom.

  • Any water that is left over can be used to water plants in the garden.

  • If there is a water leak, get it fixed as soon as possible.

  • Water should be recycled whenever possible.

Important Points to Remember in Chapter Drop by Drop

  • Water is one of the most essential parts of our life.

  • We should save water every day.

  • Reuse of water is the best way to save a good amount of water at a time.

  • Rainwater harvesting: Rainwater harvesting is the process of collecting and storing rainwater that falls on roofs, parks, roads, and other open areas. This runoff water can be stored or recharged into the groundwater system.

What does Chapter Drop by Drop Teach us?

Chapter 20 circles around the villagers of Bajjo and their water crisis. A child named Madho faces a lot of problems when there is a huge scarcity of water due to a lack of rainfall. Madho's is a desert village and water sources are far away from their homes.

The important points that Drop by Drop teaches us are listed below:

  • Scientific Ways of Saving Water: People have to walk for hours in the hot desert sand to fetch water for drinking and cooking. It shows how important water is for our daily activities and survival. To solve this problem, Madho’s family adopts a scientific way of saving rainwater in a tank.

  • Rainwater Harvesting: The increasing population looms as a bigger threat to the water crisis. Hence, this chapter introduces the concept of rainwater harvesting and not wasting water. It teaches how we should judiciously use water and ways of saving water for the future.

Benefits of Vedantu’s Drop by Drop Revision Notes

Unlock the advantages of Vedantu's 'Drop by Drop' revision notes, tailored for Class 3 EVS. These notes provide a clear and accessible way for students to reinforce their understanding of water conservation concepts, making exam preparation engaging and effective.

  • The chapter Drop by Drop teaches you the importance of water and how to save it. To make this chapter easier for you to prepare, add these benefits of the revision notes to your study sessions.

  • Understand the context of this chapter from the simpler explanation given by the experts.

  • Find out how the ways of water re usage can be implemented to save water and secure the future.

  • You will also learn the different ways of collecting water from natural sources. Understand the methods and answer questions in the exercise perfectly.

  • Revise the chapter using these notes and focus on recalling what you have studied in this chapter faster before an exam.

Preparation Tips for Class 3 EVS Exam

Here are some tips for Class 3 Students to prepare for their Environmental Studies exam:

  • Read the entire chapter and try understanding the meaning of every topic on your own. Then refer to the notes for completely understanding the topics.

  • Practise writing down your own notes when studying the chapter as this will help you improve your answer framing skills.

  • Practise all important questions and activity based questions as well to secure good marks in the exam.

  • Clear your doubts and make sure you don’t skip any topic so that you are fully prepared.

  • Keep revising the chapter with the help of revision notes on a regular basis to perform excellently in your exam.

Download Drop by Drop Revision Notes PDF for free 

Drop by Drop Class 3 EVS revision notes are ideal for your study sessions. Experts at Vedantu have put together the best NCERT revision notes for Class 3 EVS Drop by Drop. These notes include summary, themes, important questions and practise questions along with detailed explanations in simple language. Clarify all the doubts on your own by reading what the experts have explained. Understand the meaning and objective of every section in this chapter and prepare well for the exams.


For a deeper understanding, rely on Vedantu's expertly crafted NCERT - Class 4 EVS Chapter 20 - 'Drop by Drop.' These notes, created by experienced educators, simplify the chapter's complexities. Broken into easy sections, they facilitate quick comprehension, aiding last-minute preparations effortlessly. Immersing yourself in these notes not only ensures efficient study preparation but also nurtures a profound grasp of the subject. In Class 3 EVS Chapter 20, 'Drop By Drop,' students grasp the importance of water conservation. Emphasizing daily water-saving practices, the chapter encourages individual efforts for an eco-friendly future, using straightforward explanations and engaging activities to promote responsible water usage.

CBSE Class 3 EVS Study Materials


Other CBSE Class 3 Revision Notes Related Links

FAQs on Drop by Drop Class 3 Notes CBSE EVS Chapter 20 (Free PDF Download)

1. What is the best method of collecting water?

The best method of collecting water is by creating a storage tank and diverting rainwater to it. It helps you store ample water during the monsoon season. Rainwater gets wasted when it drains into the sewage. It can be stored and used for household purposes.

2. What should we do to reduce the water crisis?

We should use water judiciously and learn how to save water. There are methods given in this chapter we should learn and practice to save water for the future.

3. What is the best way to prepare this chapter?

Study the chapter first and then refer to the revision notes. Clarify doubts and then proceed to solve the exercise questions. Use these notes to recall concepts and prepare this chapter well.

4. What is rainwater harvesting?

Rainwater harvesting is the simple process or technology which is used to conserve rainwater by storing, collecting and purifying rainwater to use that water for our daily life purposes rather than allowing it to runoff. There are many ways of rainwater harvesting:

  • Rooftop rainwater harvesting.

  • Surface runoff harvesting.  

  • Gully plug.

  • Contour bund.

  • Gabion structure.

5. How does Madho’s father fetch water?

Bajju village is a desert village and people of the village fetch water by walking for hours in the hot desert, storing some water and travelling back to their homes. Madho’s father fetches the water in his camel-cart. Sometimes, Madho is permitted to take water directly from one of the tankas of the village.

6. What was the main reason for water scarcity in Bajju village?

Due to no rains for a long period of time, Bajju village became a desert village and continued with water scarcity.

7. Why is rainwater mostly used for drinking?

The rainwater is harvested, and water is purified after distillation with the help of evaporation from the sun; this makes the water drinkable. However, when rain falls from the sky, substances from the air and land melt into the rainwater. Our drinking water is made available after a series of purification processes.