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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

A periscope is a device that allows you to see objects that are not directly visible, often used in submarines and trenches. A working model of a periscope is simple to construct and effectively demonstrates the principle of reflection using mirrors. Components of the Model How It Works Conclusion This working model illustrates the laws … Read more

A water well working model demonstrates how groundwater is accessed for human use through a well. It shows the process of digging, storing, and retrieving water, making it an ideal science exhibition project to explain the importance of groundwater resources. Components of the Model How It Works Conclusion This working model effectively demonstrates how wells … Read more

पाणी पिण्यासाठी आणि इतर वापरासाठी सुरक्षित करण्यासाठी पाणी शुद्धीकरण ही एक आवश्यक प्रक्रिया आहे. हे कार्य मॉडेल मोठे रेव, लहान रेव, माती, टिश्यू पेपर आणि पेपर कप यासारख्या सहज उपलब्ध असलेल्या साहित्यांचा वापर करून एक साधी गाळण्याची प्रणाली दर्शवते. हे मॉडेल जल प्रक्रिया संयंत्रे आणि निसर्गात वापरल्या जाणाऱ्या मूलभूत गाळण्याच्या टप्प्यांची प्रतिकृती बनवते. वापरलेले साहित्य … Read more

A water purification working model demonstrates how filtration removes impurities from water, making it clean and safe for use. This model uses simple materials like big gravel, small gravel, soil, tissue paper, and paper cups to explain a basic filtration process. Components of the Model How It Works Conclusion This working model effectively demonstrates how … Read more

A windmill working model demonstrates how wind energy can be converted into mechanical or electrical energy. It is an excellent project for a science exhibition, showcasing renewable energy and sustainable development. Components of the Model How It Works Conclusion This windmill model demonstrates the principles of harnessing wind energy, an eco-friendly and renewable resource. It … Read more

A wind vane is a device used to show the direction of the wind. It is commonly seen in weather stations and is an essential tool for meteorologists. A working model of a wind vane is a simple and effective way to demonstrate how this device functions in a science exhibition. Components of the Model … Read more

A hydraulic crane working model demonstrates the principle of hydraulics, which uses fluid pressure to lift and move heavy objects. This simple model, made using cardboard, wheels, a nail, copper wire, and a 9V battery, is perfect for a science exhibition. Components of the Model Working Principle Conclusion This working model effectively shows how hydraulic … Read more

A working model on transport and communication shows how people, goods, and information move from one place to another. It highlights the importance of these systems in connecting the world and making our lives easier. Components of the Model How It Works Conclusion This working model demonstrates how transport and communication are the backbone of … Read more