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Science (EVS K-5) · Class 3

Active learning ideas

Best Out of Waste

Let's become waste warriors! In this topic, we will discover the secret magic of turning everyday 'kachra' into amazing new treasures.

CBSE Learning OutcomesNCERT EVS Class 3: Theme - Things We Make and Do
30–45 minPairs → Whole Class3 activities

Activity 01

Think-Pair-Share45 min · Individual

Bottle Planter Bonanza

Students bring used plastic bottles from home. They will cut, paint, and decorate them to create small planters for saplings or herbs, learning a direct way to reuse plastic.

Explain how you can reuse an old plastic bottle.

Facilitation TipEnsure adult supervision for cutting the bottles and provide non-toxic paints for decoration.

What to look forConduct a 'Show and Tell' where each student presents the item they made from waste, explaining what they used and how it is useful now.

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Activity 02

Think-Pair-Share40 min · Pairs

Newspaper Bag Makers

Using old newspapers and simple glue, students learn to fold and create small paper bags. This activity highlights a practical alternative to plastic bags for carrying light items.

Compare throwing away waste with recycling it.

Facilitation TipDemonstrate the folding process step-by-step and let pairs help each other to master it.

What to look forA simple picture-based worksheet where students have to draw a line matching a waste item (e.g., tyre, newspaper) to its potential new use (e.g., swing, paper bag).

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Activity 03

Think-Pair-Share30 min · Small Groups

Waste Segregation Relay

Set up three bins labelled 'Wet Waste', 'Dry Waste', and 'Recyclable'. Teams of students race to correctly sort picture cards of different waste items into the appropriate bins.

Identify two items from your home that can be reused to make something new.

Facilitation TipAfter the game, discuss why certain items belong in each bin to reinforce the concept of segregation.

What to look forStudents fill out a simple checklist with 'Yes/No' questions like 'Did I reuse an old box this week?' or 'Did I remember to put the vegetable peels in the wet waste bin?'

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Templates

Templates that pair with these Science (EVS K-5) activities

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A few notes on teaching this unit

Begin by gathering a collection of 'waste' items and brainstorming their potential uses as a class. Model the first few steps of a craft activity clearly before letting students experiment. Emphasise creativity over perfection, celebrating every unique creation to build confidence and a positive association with reusing materials.

Your students will learn to see waste not as an end, but as a beginning, and will be able to create their own useful items from things they would normally throw away.


Watch Out for These Misconceptions

  • All waste is just 'kachra' and is completely useless.

    Many things we call 'kachra' can be very useful. Old bottles can become planters, newspapers can become bags, and vegetable peels can become compost to help plants grow. Waste is just a resource in the wrong place.

  • Reusing and recycling are the exact same thing.

    Reusing is when we use an item again for a new purpose, like using a jam jar to store pencils. Recycling is when the item is broken down completely at a factory to make a brand new product, like melting old plastic to make a new chair.

  • Once I throw something in the dustbin, it just disappears.

    The garbage from our dustbins is taken to a big open area called a landfill. Piling up too much garbage there can harm the soil, water, and air, which is why we should try to make less waste.


Methods used in this brief