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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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