Class 3 Evs - TAMILNADU
Taking Charge of Waste
The chapter 'Taking Charge of Waste' in Class 3 EVS (Tamil Nadu Samacheer Kalvi) introduces young learners to the importance of cleanliness and proper waste management. Students learn about the different types of waste they generate daily at home and school, specifically focusing on biodegradable and non-biodegradable waste. The chapter highlights the simple yet powerful 3 Rs: Reduce, Reuse, and Recycle. It matters greatly for board exams as it builds foundational environmental awareness, helping students score well in objective questions, matching exercises, and short-answer questions about keeping their surroundings clean and green.
Start Learning FreeKey Concepts
Biodegradable Waste
Waste materials like fruit peels, vegetable scraps, and leftover food that easily rot and mix with the soil naturally.
Non-Biodegradable Waste
Waste materials like plastic bags, glass, and metal tins that do not rot or decay easily and harm the environment.
Reduce
Making less waste by using only what we need, such as carrying cloth bags instead of taking single-use plastic bags.
Reuse
Using items again instead of throwing them away, like making pen stands out of empty plastic bottles or old jam jars.
Recycle
Sending used materials like old newspapers and plastic items to factories to make brand new, useful things.
Green and Blue Bins
Special dustbins used to separate waste correctly; green bins are for wet, rotting waste and blue bins are for dry, plastic waste.
Important Formulas
Board Exam Info
In the Tamil Nadu Samacheer Kalvi Class 3 EVS examinations, this chapter typically carries around 5 to 8 marks. Common question types include fill in the blanks, matching the type of waste to the correct dustbin (green or blue), true or false statements, and short answers explaining how to reuse household items.
Frequently Asked Questions
What is the difference between wet waste and dry waste?
Wet waste includes kitchen scraps like fruit and vegetable peels that rot easily, while dry waste includes non-rotting items like paper, plastic, and metal.
Which dustbin should we use for plastic wrappers?
Plastic wrappers are non-biodegradable, so they should be put into the blue dustbin for dry waste.
Why should we avoid using plastic bags?
We should avoid plastic bags because they do not rot, pollute our environment, and harm animals if swallowed.
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