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pollution working model (air pollution – water pollution – sound pollution – light pollution – soil pollution – land pollution) 2025

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In this video, we’ll show you how to make a Pollution Working Model that demonstrates six major types of pollution — Air, Water, Sound, Light, Soil, and Land Pollution. This simple and creative DIY science project is perfect for the 2025 school science exhibition and helps spread awareness about protecting our environment. Concepts Covered: How … Read more

Renewable Energy Working Model (Hydroelectricity, Wind & Solar Energy) | Science Project Making Step-by-Step

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In this video, learn how to make a renewable energy working model that demonstrates three clean energy sources — solar power, wind energy, and hydroelectric power. This project helps explain how natural resources like sunlight, wind, and water can generate electricity without harming the environment. Perfect for school science exhibitions, STEM projects, and eco-awareness fairs! … Read more

Electricity Generator Working Model – “Motor to Generator Energy Conversion”

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Aim / Objective To demonstrate how mechanical energy can be converted into electrical energy using a DC motor as a generator, and how that generated electricity can power devices (like LED lights). Materials Required Model Construction / Steps 1️⃣ Prepare the Base 2️⃣ Fix the Motors Tip: You can also use a gear wheel or … Read more

Photosynthesis Working Model – “How Plants Make Their Own Food” (Rotating Earth Setup)

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Aim / Objective To demonstrate how plants use sunlight, carbon dioxide, and water to produce food (glucose) and release oxygen, showing this through a rotating half-earth model with a plant setup. Materials Required Model Construction / Steps 1️⃣ Prepare the Base 2️⃣ Make the Rotating Half Earth Cut a thermocol ball or plastic globe into … Read more

Kannada Rajyotsava Wall Hanging Craft Ideas

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Theme Karnataka Rajyotsava is celebrated on November 1st to mark the unification of Karnataka.Wall hangings made with red and yellow colors represent the Karnataka flag and symbolize courage, pride, and prosperity. Objective To decorate classrooms, homes, or exhibition spaces with handmade wall hangings that show love for Kannada language, state symbols, and cultural pride. Common … Read more

Kannada Rajyotsava / Karnataka Rajyotsava Paper Badge Craft Ideas – Overview

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Theme Kannada Rajyotsava (celebrated on November 1st) marks the formation of Karnataka State.Badges are worn to show pride, unity, and love for Kannada language and culture.The main colors used are Red (Kumkuma) and Yellow (Arishina) — representing courage and prosperity. Craft Objective To create beautiful handmade paper badges symbolizing the spirit of Karnataka, using simple, … Read more

Conductor and Non-Conductor (Insulator) Identification Working Model

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Aim / Objective To test and identify materials as conductors or non-conductors of electricity by checking whether they allow electric current to pass through them. Materials Required Model Construction / Steps 1️⃣ Base Setup 2️⃣ Circuit Setup In simple terms:Battery (+) → Switch → LED & Buzzer → Test Wire A → Material → Test … Read more

Conveyor Belt Working Model – Material Transport System

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Aim / Objective To demonstrate how conveyor belts are used in industries to transport materials from one place to another efficiently and continuously using a motorized belt system. Materials Required Model Construction / Steps 1️⃣ Base Setup 2️⃣ Roller Frame 3️⃣ Attach the Belt 4️⃣ Motor Connection 5️⃣ Decoration and Finishing Working Principle When the … Read more

Photosynthesis Working Model – “How Plants Make Their Own Food”

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Aim / Objective To demonstrate how plants use sunlight, carbon dioxide, and water to produce food (glucose) and release oxygen through the process of photosynthesis. Materials Required Model Construction / Steps Working Principle When the LED Sun is turned ON, it shows sunlight reaching the plant leaves. Scientific Explanation Equation of Photosynthesis: Carbon dioxide + … Read more

How to make Algebraic Expressions Working Model – TLM Using LED and Buzzer

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Aim / Objective: To demonstrate and verify algebraic expressions using a working model with LED lights and a buzzer, allowing students to check if equations are correct interactively. Materials Required: Working Principle: Procedure: Observation: Conclusion: The model demonstrates a practical and interactive way to learn algebraic expressions.It helps students visualize equations, understand variables and constants, … Read more

Waste to Electricity Working Model – Dry Waste Management

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Aim / Objective: To demonstrate how dry waste collected from households and streets can be converted into electricity by burning it to produce steam, which drives a turbine-generator. Materials Required: Working Principle: Procedure: Observation: Conclusion: The waste-to-electricity model demonstrates the principle of energy conversion from dry waste to electricity.It highlights the importance of waste management, … Read more

How to make Solar System Working Model with LED Lights and Rotating Planets

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Aim / Objective: To demonstrate the structure of the solar system, the relative positions and rotation of planets around the Sun, and to show how stars and planets can be represented using LED lights in a visual model. Materials Required: Working Principle: Procedure: Observation: Conclusion: The solar system working model effectively shows the structure, rotation, … Read more

How to make Day and Night Working Model Using Cardboard Box, LED Light, and Rotating Earth

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Aim / Objective: To demonstrate how the rotation of the Earth causes day and night, using a simple model with a Sun (LED light) and a rotating Earth ball. Materials Required: Working Principle: Procedure: Observation: Conclusion: The model effectively shows that day and night are caused by the rotation of the Earth on its axis.It … Read more

How to Make Moon Phases Working Model Using Plastic Balls and Slow Motor

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Aim / Objective: To demonstrate the phases of the Moon and explain how the positions of the Moon, Earth, and Sun create different lunar phases as seen from Earth. Materials Required: Working Principle: Procedure: Observation: Conclusion: The model effectively demonstrates the mechanism of Moon phases.It helps students understand how the relative positions of the Sun, … Read more

How to make Two-Way Switch Working Model Using LED Lights and DC Motor

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Aim / Objective: To demonstrate how a two-way switch can control the operation of electrical devices like LED lights or a DC motor from two different locations. Materials Required: Working Principle: A two-way switch allows control of a circuit from two different points. Procedure: Observation: Conclusion: The model shows how two-way switches allow electrical devices … Read more