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
An electrolysis of water working model demonstrates how electricity can split water into its two main components, hydrogen and oxygen. This process is a practical example of chemical decomposition and shows how energy can be used to break molecular bonds. Key Components of the Model: How It Works(Electrolysis of water working model): Applications and Learning: … Read more
An earthquake alarm working model demonstrates how vibrations caused by seismic activity can be detected to warn people about potential earthquakes. It uses basic principles of physics to simulate a simple alarm system that responds to ground movement. Key Components of the Model: How It Works(Earthquake Alarm project ): Applications: This project effectively illustrates how … Read more
An Earth gravitation working model demonstrates how gravity, a fundamental force, keeps objects on Earth and celestial bodies in orbit. It illustrates how the Earth’s mass pulls objects toward its center, showcasing the universal law of gravitation in an easy-to-understand way. Key Components of the Model: How It Works(Earth gravitation working model): Applications and Learning: … Read more
A DNA working model demonstrates the structure of DNA (Deoxyribonucleic Acid), the molecule that carries the genetic instructions for all living organisms. It showcases the double helix structure and how the base pairs align to encode genetic information. Key Components of the Model: How It Works(dna working model): Purpose and Applications: This simple yet effective … Read more
A water dispenser working model demonstrates how water can be stored and dispensed efficiently using gravity and simple mechanisms. This model is ideal for understanding basic physics concepts like pressure and flow. Components of the Model: How It Works(water dispenser working model): Applications: This simple model is easy to build with basic materials like a … Read more
A distillation of water working model demonstrates how impure water can be purified by using heat to separate water from contaminants like salt, dirt, or other impurities. This process is based on the principle of evaporation and condensation. Key Components of the Model: How It Works (Distillation of water working model): Real-Life Applications: This model … Read more
A dam working model demonstrates how a dam stores water, generates electricity, and regulates water flow for irrigation, drinking, and other uses. It shows how this vital infrastructure helps manage water resources while producing hydroelectric power. This model illustrates the multiple uses of dams: water storage, flood control, and hydroelectricity generation. It helps explain how … Read more
A satellite communication working model demonstrates how signals are transmitted between Earth and satellites orbiting in space to enable communication over long distances, such as for television broadcasts, internet services, and GPS navigation. In this model, the key components include: This model effectively demonstrates how satellite communication works, using the principles of signal transmission, reflection, … Read more
A carnival ride working model simulates the movement and operation of an amusement ride using basic mechanical principles. The most common principle used in these models is rotational motion, where parts of the ride move in a circular or swinging motion to mimic the fun and excitement of real carnival attractions. For this working model, … Read more
A 3D hologram box screen working model creates a visual illusion of three-dimensional images floating in the air, giving the effect of a hologram. This model uses a combination of a special display screen, a reflective surface, and a light source to project images that appear 3D. The core concept behind this working model is … Read more
A hydraulic bridge working model uses the principle of hydraulics, which involves the movement of liquid to lift and move heavy objects. The basic idea behind this model is to demonstrate how water or another liquid can be used to control the motion of the bridge, making it open and close smoothly, just like real … Read more
The brain is the central organ of the nervous system, located within the skull. It is responsible for controlling and coordinating all bodily functions, processing sensory information, and enabling cognition, memory, and emotions. The brain is divided into three main parts: the cerebrum, cerebellum, and brainstem. The brain communicates with the rest of the body … Read more
Air pressure is the force exerted by the weight of air around us. A working model of air pressure demonstrates how this invisible force works in our daily lives. Let’s break it down simply! What You Need: How It Works: Key Concept:Air is all around us, even though we can’t see it. When we increase … Read more
A water alarm is a simple device designed to alert you when water reaches a certain level. This is useful for preventing water overflows in tanks or detecting leaks. Here’s how it works in an easy-to-understand way: The model uses a 9V battery, a buzzer, and wires to create a circuit. Water acts as the … Read more
A thermal power plant working model demonstrates how thermal energy is converted into electrical energy. It replicates the real-life process used in power plants to generate electricity using heat energy from fuels like coal, oil, or natural gas. Components of the Model How It Works Conclusion This working model explains the principle of energy conversion—thermal … Read more