In this category, we add all the diy school project models for secondary school students,(Class 9 / Grade 9).
Where students can do themselves step by step for their school exhibition or fair
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
Aim / Objective: To demonstrate how hydraulic pressure can be used to lift a vehicle, showing the application of Pascal’s Law in real-world machinery. Materials Required: Working Principle: The model works on Pascal’s Law, which states that pressure applied to a confined fluid is transmitted equally in all directions. Procedure: Observation: Conclusion: The hydraulic car … Read more
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
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
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
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
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
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
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
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
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
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
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
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
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