how to connect Infrared Motion Sensor Alarm System – LED & Buzzer Working Model

Concept / Principle: This project is based on infrared motion detection — it senses changes in infrared radiation (heat) caused by a moving object like a human body.When motion is detected, it activates an LED light and a buzzer, simulating a security or automatic light system. Scientific Principle: Infrared sensors detect IR radiation emitted by … Read more

Solar Powered House – Working Model for Science Exhibition (DIY Project)

Concept / Principle: This project demonstrates how solar energy can be converted into electrical energy using solar panels to power small household components like LED lights, fans, or a motor — showing the concept of renewable energy and sustainable living. Scientific Principle:Solar panels contain photovoltaic (PV) cells that convert sunlight (solar radiation) into electricity (DC … Read more

Hydraulic Crane – Working Model (DIY Syringe Project)

Concept / Principle: The hydraulic crane works on Pascal’s Law, which states: “Pressure applied to a confined fluid is transmitted equally in all directions.” When you push fluid (water) from one syringe, it transfers pressure through a tube to another syringe, causing movement — just like in real cranes that use hydraulic systems to lift … Read more

Geostationary Satellite – Working Model Showing Earth’s Rotation

Concept / Principle: A geostationary satellite is a satellite that orbits the Earth once every 24 hours — the same time the Earth takes to rotate once on its axis.Because both rotate at the same rate in the same direction, the satellite appears stationary above one fixed point on Earth (like over India or the … Read more

Laws of Indices (Exponents) – Rotating Maths Working Model

This model demonstrates the laws (rules) of exponents in an interactive and visual way.Using a rotating wheel or disc system, each rotation reveals a different law of indices with an example — helping students easily understand how powers behave in multiplication, division, and powers of powers. Laws of Indices / Exponents: 1️⃣ Product Law:am×an=am+na^m \times … Read more

3D Shapes Working Model – Surface Area and Volume (with LED & Buzzer on Matchboard)

Concept: This interactive maths model helps students understand the surface area and volume of 3D geometric shapes like cube, cuboid, cylinder, cone, sphere, and pyramid.The LED light glows when you press the correct formula button for a given shape, and the buzzer alerts when it’s incorrect — turning a simple model into a fun learning … Read more

Waste Water Treatment / Purification Working Model – Factory Setup with Pump & Paper Cups

Tired of watching your water bill skyrocket while your urban garden thirsts for more? Imagine a garden that practically waters itself, saving you money and the planet. This video reveals a simple DIY system that recycles household water, making your urban garden thrive without the constant tap of high costs. This model shows how wastewater … Read more

Air Pollution and Its Effects (Impacts) Working Model – Making Steps | Science Project

Here’s a step-by-step guide to make an Air Pollution and Its Effects Working Model easily at home or for your school science exhibition. This model demonstrates the causes, effects, and preventive measures of air pollution in a creative way. Concept: Air pollution is caused by harmful gases, smoke, and dust entering the atmosphere. It affects … Read more

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

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

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”

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)

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

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

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

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