How to Make Solar and Lunar Eclipse Working Model Using 3 Balls and Slow Motor

Aim / Objective: To demonstrate the occurrence of solar and lunar eclipses and explain how the positions of the Sun, Earth, and Moon create these phenomena. Materials Required: Working Principle: Procedure: Observation: Conclusion: The model effectively demonstrates the mechanism of solar and lunar eclipses.It helps students understand the relative positions and motion of the Sun, … Read more

How to make Hydroelectricity Working Model Using Waste Sketch Pens, DC Motor, and Bottle Caps

Aim / Objective: To demonstrate how flowing water can generate electricity using a simple hydroelectric setup with a turbine made from waste materials. Materials Required: Working Principle: The model works on the principle of hydroelectricity: Procedure: Observation: Conclusion: The model demonstrates the basic working of a hydroelectric power plant on a small scale.It shows how … Read more

How to Connect 2 9V Batteries in Series and Parallel with LED and Switch

Aim / Objective: To demonstrate the effect of connecting two 9V batteries in series and parallel on voltage, current, and LED brightness, and to understand how switches control the circuit. Materials Required: Working Principle: Procedure: 1. Series Connection: 2. Parallel Connection: Observation: Conclusion: https://www.youtube.com/@howtofunda

How to Make Earthquake Alarm Working Model

Aim / Objective: To demonstrate how an earthquake alarm can detect ground vibrations and alert people in advance, helping to reduce damage and save lives. Materials Required: Working Principle: The model works on the principle of vibration detection. Procedure: Observation: When the base is shaken, the pendulum moves and closes the circuit, causing the buzzer … Read more

How to make Highway Energy Generation Working Model Using Vertical Axis Wind Turbine

Aim / Objective: To demonstrate how wind energy produced by fast-moving vehicles on highways can be captured using a vertical axis wind turbine (VAWT) to generate electricity. Materials Required: Working Principle: This model works on the principle of energy conversion — converting kinetic energy from the air displaced by moving vehicles into mechanical energy of … Read more

How to Make Windmill Working Model for Science Project Exhibition

Aim / Objective: To demonstrate how wind energy can be converted into electrical energy using a windmill, showing the principle of renewable energy generation. Materials Required: Working Principle: The windmill works on the principle of energy conversion — it converts kinetic energy of wind into mechanical energy, and then into electrical energy.When wind strikes the … Read more

How to make Hydraulic Crane Working Model

Aim / Objective: To demonstrate how hydraulic pressure can be used to lift and move heavy objects by transmitting force through a liquid using syringes and pipes. Materials Required: Working Principle: This model works on Pascal’s Law, which states that pressure applied to a confined fluid is transmitted equally in all directions.When the piston of … Read more

Capacitor Charging and Discharging Working Model Explanation Video

Aim / Objective: To demonstrate how a capacitor stores electrical energy during charging and releases it during discharging, showing its use in controlling and stabilizing electric current. Materials Required: Working Principle: A capacitor is an electrical component that stores energy in the form of an electric field between two plates separated by an insulator (dielectric). … Read more

How to make Rainwater Harvesting Working Model (Using House, Funnel & Plastic Tray)

Aim / Objective: To demonstrate how rainwater can be collected from a house rooftop using a funnel system and stored in a container or tray for reuse, promoting water conservation. Materials Required: Working Principle: This model works on the principle of rainwater collection and storage.When rainwater falls on the rooftop, it flows through pipes or … Read more

Best Zoology Working Model Ideas for Science Exhibition

human-heart-and-kidney-working-model-using-injection-syringes-craftpiller

Here’s a comprehensive list of Zoology Working Model Ideas suitable for school or college exhibitions — covering topics like human anatomy, animal physiology, ecology, evolution, genetics, and more.I’ve grouped them into categories to make it easy to choose from. Human Anatomy & Physiology Models 1)Human Heart Working Model (with blood circulation) The human heart is … Read more

how to make carbon purification working model for science project exhibition

Concept Overview: The model demonstrates a factory-style air purification system that removes pollutants from the air using carbon adsorption with graphite rods. A 12 V fan simulates the airflow in a factory, pulling polluted air through the system and releasing clean air. Key Science Concepts: Materials Required Material Quantity Purpose Cardboard / Acrylic box 1 … Read more

how to make solar irrigation working model for science project exhibition

Welcome to this DIY Solar Irrigation Working Model — a perfect science project for exhibitions that demonstrates how solar energy can be used to power a water pump for efficient irrigation. In this video, we show a step-by-step working model where: What You Will Learn: STEP-BY-STEP BUILD 1. Plan your agriculture field layout 2. Prepare … Read more

How to make SOLAR SYSTEM WORKING MODEL (BOX TYPE) WITH LED LIGHTS

Solar System Working Model (Box Type) with LED Lights, where each planet glows from inside a painted plastic ball suspended in a decorated box. This is a show-stopping science exhibition project that beautifully combines art + science + electronics! MATERIALS REQUIRED Item Quantity Purpose Cardboard box (shoe box / carton) 1 Base and outer structure … Read more

How to make Jaws of Life working model

The Jaws of Life is a hydraulic rescue tool used by emergency workers to cut or lift vehicles during accident rescues.Your model will demonstrate how hydraulic pressure can move mechanical arms to lift or spread objects using syringes and water. MATERIALS REQUIRED Item Quantity Description Cardboard As needed Thick (for arms and base) Syringes 4 … Read more

how to make Biogas Plant Working Model

Welcome to this DIY Science Project on how to make a Biogas Plant Working Model that shows how organic waste can be converted into renewable energy and electricity! In this video, we demonstrate a miniature biogas plant setup that produces biogas from kitchen waste and cow dung, and shows how that gas can be used … Read more