Taking Charge of Waste
CBSE · Class 3 · EVS
NCERT Solutions for Taking Charge of Waste — CBSE Class 3 EVS.
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Discuss (Opening Discussion)
1What are the children and the teacher doing in the picture?Show solution
Answer: The children and the teacher are cleaning the park. They are picking up litter and waste from the ground to make the park clean and beautiful.
2Why are they cleaning the park?Show solution
3Have you ever seen piles of waste lying around your home or school?Show solution
4Have you ever thought about how this waste is created?Show solution
Activity 1
1Recall different activities that you and your elders do during the day. How do these activities create waste? Finally, what do we do with the waste? Share your findings with your classmates.Show solution
Some examples of daily activities and the waste they create:
| Activity | Waste Created |
|---|---|
| Cooking food | Vegetable peels, eggshells, leftover food |
| Buying groceries | Plastic bags, wrappers, cardboard boxes |
| Eating packaged snacks | Plastic wrappers, foil packets |
| Reading newspapers | Old newspapers |
| Celebrating festivals | Decorations, plastic items, leftover food |
| Drinking water/juice | Plastic bottles, tetra packs |
What we do with the waste: We usually throw waste into dustbins. Some waste is collected by sanitation workers and taken away. Some people burn waste (which is harmful), and some people compost kitchen waste.
Conclusion: Almost every activity we do creates some waste. We should try to reduce, reuse, and recycle waste to keep our surroundings clean.
Activity 2 — Discuss
1How clean are the surroundings of your school?Show solution
2Do you find waste lying in or outside your classrooms or on the school grounds?Show solution
Activity 2 — Draw
1Draw or paste a picture of a locality. Identify the places where there is garbage or wastewater or smoke by circling them in red. Try to find out how the waste gets there. If you belong to a place that manages its waste well, ask the elders how it is done. Share your findings in the class.Show solution
Step 1: Draw or paste a picture of your locality (your street, neighbourhood, or village).
Step 2: Look carefully at the picture and identify:
- Places where garbage is dumped (near shops, roadsides, open plots)
- Places where wastewater flows (drains, puddles on roads)
- Places where smoke is seen (burning of waste, factories)
Step 3: Circle all these places in red colour.
Step 4: Think about how the waste gets there — people throw wrappers carelessly, drains overflow, waste is burned in open areas.
Step 5: If your locality is clean, ask elders how they manage waste — they may separate wet and dry waste, use compost pits, or have regular cleaning drives.
Share your findings with the class and discuss ways to improve waste management in your area.
Activity 3
1How can you help in reducing waste?Show solution
Here are ways I can help reduce waste:
1. Use a cloth bag instead of a plastic bag when going shopping.
2. Avoid buying food and drinks packed in plastic wrappers or bottles.
3. Carry water in a steel or copper bottle instead of buying plastic water bottles.
4. Take only as much food as I can eat so that food is not wasted.
5. Use both sides of a paper before throwing it away.
6. Avoid using disposable plates, cups, and spoons at parties — use washable ones instead.
7. Buy things that last longer instead of cheap items that break quickly and become waste.
Conclusion: By making small changes in our daily habits, each one of us can reduce the amount of waste we create.
Activity 4
1How can you REUSE things to reduce waste?Show solution
Here are ways to reuse things:
1. Paper: Reuse paper that has been used on one side for rough work, drawing, or making notes.
2. Water bottles: Instead of buying new plastic bottles, refill a steel or copper bottle with water.
3. Old newspapers: Use them to make paper bags, toys, or decorative items.
4. Old calendars: Use the blank side for drawing or writing.
5. Cardboard boxes: Use them to store things or make toys and models.
6. Old cloth: Use old clothes to make bags, dusters, or donate them.
7. Glass jars and bottles: Clean and reuse them to store spices, stationery, or small items.
Conclusion: When we reuse things, we give them a second life and reduce the amount of waste that goes into dustbins. This helps keep our surroundings cleaner.
Activity 5
1Create an item using waste material that you can give as a gift to someone. Show your Gratitude! You can give this to the person who helps to keep the locality or home clean.Show solution
Idea: Make a pen stand using an old cardboard tube or a used plastic bottle.
Materials needed: Old newspaper, used cardboard roll (from tissue paper), old magazines, glue, scissors, colours.
Steps:
1. Take an old cardboard roll or cut a plastic bottle to make a cylinder shape.
2. Tear old newspaper or magazine pages into small pieces.
3. Paste the colourful pieces all over the outside of the cylinder to decorate it.
4. Let it dry completely.
5. Your pen stand is ready!
How to present it: Wrap it in a piece of old cloth or newspaper. Write a thank-you note saying: 'Thank you for keeping our home/locality clean! I made this gift from waste material so that we can reduce waste together.'
Give it to the person who cleans your home, school, or neighbourhood and say a big 'Thank You' to them.
Conclusion: By making gifts from waste material, we show creativity, reduce waste, and express gratitude to those who work hard to keep our surroundings clean.
Activity 6 — Separate Your Waste
1Two dustbins are drawn below. Write the names of the waste material which will go into each of them. Items given: Plastic bottles, leaves, onion peels, light bulbs, rotten fruit, paper, eggshells, used plastic milk packets, cloth.Show solution
Concept:
- Green Dustbin (Wet/Biodegradable waste): Items that come from nature and can rot or decompose — like food waste, plant waste.
- Blue Dustbin (Dry/Non-biodegradable waste): Items that do not rot easily — like plastic, paper, glass, metal.
Sorting the given items:
Green Dustbin (Wet/Biodegradable waste):
1. Leaves
2. Onion peels
3. Rotten fruit
4. Eggshells
Blue Dustbin (Dry/Non-biodegradable waste):
1. Plastic bottles
2. Light bulbs
3. Paper
4. Used plastic milk packets
5. Cloth
Note: Sharp or harmful items like light bulbs should be wrapped in cloth or paper before putting them in the dustbin so that sanitation workers are not hurt while handling them.
Conclusion: Separating waste into wet and dry categories makes it easier to recycle and manage waste properly, keeping our surroundings clean and healthy.
Keeping our Surroundings Clean (Page 160 Questions)
1List the things that you can do to keep your home and classroom clean.Show solution
1. I can keep my room tidy by putting things back in their place.
2. I can throw waste only in the dustbin.
3. I can help sweep or mop the floor.
4. I can avoid littering while eating.
5. I can separate wet and dry waste at home.
Things I can do to keep my classroom clean:
1. I can pick up any litter I see on the floor.
2. I can keep my desk neat and organised.
3. I can use the dustbin for all waste like paper scraps and wrappers.
4. I can remind my friends not to litter.
5. I can participate in classroom cleaning activities.
2Make a list of tools you have seen being used in your school or neighbourhood for cleaning.Show solution
1. Broom (jhadu) — for sweeping floors and grounds
2. Mop — for cleaning wet floors
3. Dustpan — for collecting swept dust and waste
4. Dustbin — for collecting waste
5. Bucket and mug — for washing
6. Garbage collection cart/trolley — used by sanitation workers
7. Scrubbing brush — for cleaning surfaces
8. Rake — for collecting dry leaves in the garden
3Have you ever observed the tools that are used in your home for cleaning? Make a list of these tools. Draw pictures of these tools in the box given below.Show solution
1. Broom (jhadu) — for sweeping floors
2. Mop and bucket — for mopping floors
3. Dustpan — for collecting swept waste
4. Scrubbing brush — for cleaning bathrooms and vessels
5. Sponge — for washing dishes
6. Duster/cloth — for wiping surfaces and furniture
7. Vacuum cleaner (in some homes) — for cleaning carpets and floors
8. Dustbin — for collecting household waste
For the drawing box: Draw simple pictures of a broom, mop, dustpan, scrubbing brush, and dustbin in the box provided in your notebook.
Let us Reflect — A. Discuss
1How is waste created?Show solution
Answer: Waste is created through our daily activities. Here are some ways waste is created:
1. When we eat packaged food, the wrappers and containers become waste.
2. When we cook food, vegetable peels, eggshells, and leftover food become waste.
3. When we buy things in plastic bags and throw them away, they become waste.
4. When we celebrate festivals or birthdays, decorations, disposable plates, and cups become waste.
5. When things break or become old and we stop using them, they become waste.
6. When we use paper and throw it away after using only one side, it becomes waste.
Conclusion: Almost every activity we do creates some waste. The more we buy and use, the more waste we create. That is why we must try to reduce, reuse, and recycle.
2How can we manage waste?Show solution
Answer: We can manage waste by following three important rules:
1. Reduce:
Reduce the amount of waste we create. For example:
- Use cloth bags instead of plastic bags.
- Avoid buying food in plastic wrappers.
- Take only as much food as we can eat.
2. Reuse:
Reuse things instead of throwing them away. For example:
- Use both sides of paper.
- Refill a steel bottle instead of buying plastic bottles.
- Make toys or bags from old newspapers, boxes, and bottles.
3. Recycle:
Separate waste into wet (biodegradable) and dry (non-biodegradable) waste so that it can be recycled properly. For example:
- Put vegetable peels and food waste in the green dustbin.
- Put plastic, paper, and glass in the blue dustbin.
- Compost wet waste to make manure for plants.
Conclusion: By reducing, reusing, and recycling waste, and by separating waste properly, each one of us can help keep our home, school, neighbourhood, and country clean and healthy.
Let us Reflect — B. Write
1To avoid use of plastic bags and bottles, look at your home and school closely. List all the items of plastic material and write how these could be replaced by other safe materials.Show solution
| Plastic Item | Safe Replacement |
|---|---|
| Plastic water bottle | Steel or copper bottle |
| Plastic carry bag | Cloth bag or jute bag |
| Plastic lunch box | Steel tiffin box |
| Plastic straw | Paper straw or no straw |
| Plastic cup/glass | Steel or glass cup |
| Plastic plate | Steel plate or banana leaf |
| Plastic pen holder | Bamboo or cardboard pen holder |
| Plastic comb | Wooden comb |
| Plastic storage containers | Glass jars or steel containers |
| Plastic ruler | Wooden ruler |
Conclusion: By replacing plastic items with safe materials like steel, glass, cloth, wood, or bamboo, we can greatly reduce the amount of plastic waste we create. This is good for our health and for the environment.
2Name three things in your school and home that you would put in the green dustbin and three things that you would put in the blue dustbin.Show solution
Concept:
- Green Dustbin: Wet waste that can decompose naturally (food waste, plant waste).
- Blue Dustbin: Dry waste that does not decompose easily (plastic, paper, glass, metal).
Green Dustbin (Wet/Biodegradable waste):
From School:
1. Leftover food from the lunch box
2. Fallen leaves from the school garden
3. Fruit peels from the canteen
From Home:
1. Vegetable and fruit peels from cooking
2. Leftover cooked food
3. Eggshells
Blue Dustbin (Dry/Non-biodegradable waste):
From School:
1. Old paper and notebooks
2. Broken plastic scale or pen
3. Empty glue bottle
From Home:
1. Plastic wrappers and packets
2. Old newspapers and magazines
3. Empty glass or plastic bottles
Conclusion: Separating waste into the correct dustbin helps in proper recycling and waste management, keeping our surroundings clean and healthy.
Let us Reflect — C. Draw in your notebook
1Make a poster to show a village or town that is managing its waste well. Give your poster a suitable title.Show solution
Title (suggestion): 'Our Clean Village — A Model for All!' or 'Zero Waste Town — Our Pride!'
What to draw in the poster:
1. Draw a clean village or town with neat houses, clean roads, and green trees.
2. Show dustbins placed at regular intervals — green and blue dustbins for separating waste.
3. Draw people using cloth bags while shopping.
4. Show a compost pit in a corner where wet waste is being turned into manure.
5. Draw children picking up litter and putting it in dustbins.
6. Show clean drains with no wastewater overflowing.
7. Draw a recycling centre where dry waste is being sorted.
8. Add a slogan at the bottom, such as: 'Reduce, Reuse, Recycle — Keep Our Town Clean!'
Colour the poster brightly with greens and blues to show a clean, healthy environment.
Conclusion: A poster is a powerful way to spread the message of cleanliness and inspire others to manage their waste well.
Let us Reflect — D. Enact in pairs
1You can be a clean town and your partner a dirty town. Engage in a short conversation talking about how you feel about being the way you are.Show solution
Sample Conversation:
Dirty Town: Oh, I feel so miserable! There is garbage everywhere on my roads. The drains are overflowing with wastewater. People are falling sick because of mosquitoes. Animals are eating plastic and dying. I smell terrible and nobody wants to visit me.
Clean Town: I feel wonderful! My roads are clean and beautiful. People here separate their waste into green and blue dustbins. They use cloth bags and steel bottles. Children plant trees and keep the surroundings tidy. Everyone is healthy and happy. Visitors love coming to me!
Dirty Town: I wish I could be like you. How did you become so clean?
Clean Town: It was not easy, but the people here worked together. They decided to reduce waste, reuse things, and recycle. They stopped littering and started taking responsibility. You can do it too! Start today — one small step at a time.
Dirty Town: You are right. I will ask my people to start separating waste and using dustbins. I want to be clean and healthy like you!
Clean Town: That is the spirit! Remember — 'Want not, Waste not!'
Conclusion: This activity helps us understand the difference between a clean and a dirty environment and motivates us to take action to keep our surroundings clean.
Let us Reflect — E. Think, Reflect and Share
1Imagine you are having a birthday party at your home. What are some of the ways in which you can try to have a zero-waste birthday party? For this, first think about what kind of waste may be created in the birthday party and how you can avoid or reduce it.Show solution
Step 1 — Think about what waste is created at a birthday party:
1. Plastic or paper plates, cups, and spoons (disposable)
2. Plastic balloons and decorations
3. Plastic wrappers from gifts
4. Leftover food
5. Plastic bags for return gifts
6. Cake boxes and packaging
7. Streamers and glitter
Step 2 — How to avoid or reduce this waste:
| Waste Created | How to Avoid/Reduce It |
|---|---|
| Disposable plates and cups | Use steel or glass plates and cups that can be washed and reused |
| Plastic balloons | Use paper decorations, cloth bunting, or flowers instead |
| Plastic gift wrappers | Wrap gifts in old newspaper, cloth, or reusable fabric |
| Leftover food | Cook or order only as much food as needed |
| Plastic bags for return gifts | Use small cloth pouches or paper bags |
| Glitter and streamers | Use natural flowers or paper decorations |
| Cake boxes | Ask the baker to use minimal packaging |
Additional ideas for a zero-waste party:
- Invite only close friends and family to keep the party small.
- Give plants or seeds as return gifts instead of plastic toys.
- Make homemade decorations using old newspapers and magazines.
- Donate leftover food to those in need.
Conclusion: A zero-waste birthday party is not only good for the environment but also teaches us to be creative and responsible. We can have a lot of fun without creating a lot of waste!
2Have you seen waste in nature? What do you think happens to the waste of animals, dried leaves and so on in a forest?Show solution
Answer: Yes, we can see waste in nature — dried leaves falling from trees, dead animals, animal droppings, broken branches, and so on.
What happens to natural waste in a forest:
1. Dried leaves: When leaves fall from trees, they pile up on the forest floor. Over time, tiny organisms like bacteria, fungi, and earthworms break them down. They decompose and turn into rich, dark soil called humus. This humus makes the soil fertile and helps new plants grow.
2. Dead animals: When animals die in the forest, other animals like vultures, crows, and jackals eat them. The remaining parts are broken down by bacteria and fungi and become part of the soil.
3. Animal droppings: Animal waste also decomposes naturally and adds nutrients to the soil, helping plants grow.
4. Broken branches and wood: These are broken down by fungi, insects, and bacteria over time and become part of the soil.
Key observation: In nature, nothing is really wasted! Everything decomposes and goes back into the earth, providing nutrients for new life. This is called the natural cycle of decomposition.
Conclusion: Nature manages its own waste perfectly through decomposition. This is why forests are always clean and green. We can learn from nature and try to compost our wet waste at home, just like nature does in the forest.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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