science working model
1. Introduction Health is wealth, and one of the most important factors that determine good health is nutrition. Food provides energy and nutrients required for growth, repair, and maintenance of the human body. However, merely eating food is not enough — the food must be nutritious and balanced. A balanced diet is essential for proper … Read more
1. Introduction Agriculture is the practice of cultivating plants, rearing animals, and producing food, fiber, and other essential products for human life. It is the backbone of human civilization and plays a vital role in the economic and social development of a country. About 70% of India’s rural population depends directly or indirectly on agriculture … Read more
Introduction Water is the most vital resource on Earth, essential for all forms of life. Approximately 71% of the Earth’s surface is covered with water, but only 3% is freshwater, and a significant portion of it is inaccessible as it is locked in glaciers, ice caps, or underground. Rapid population growth, industrialization, urbanization, and climate … Read more
Introduction Water is one of the most essential resources for life on Earth. It covers about 71% of the Earth’s surface and is vital for drinking, agriculture, industry, and sanitation. Clean water is crucial for maintaining health and ecological balance. However, due to human activities and natural factors, water bodies like rivers, lakes, oceans, and … Read more
Introduction Energy is the lifeline of modern society. From switching on a light bulb to running industries, we depend on a continuous flow of electricity. But the way we produce energy today is damaging our planet. Burning fossil fuels such as coal, oil, and gas has led to global warming, air pollution, and depletion of … Read more
Introduction The world today faces two big challenges: energy shortage and environmental pollution. Traditional energy sources such as coal, oil, and natural gas are limited and release harmful gases when burned. This is why scientists and engineers are working on regenerative energy systems – systems that can reuse, recycle, or regenerate energy instead of wasting … Read more
Introduction Our planet is facing serious energy challenges. The overuse of fossil fuels such as coal, oil, and natural gas has led to pollution, climate change, and depletion of natural resources. Students, teachers, and scientists are now focusing on “planet-safe” or eco-friendly energy sources that do not harm the environment. Working models of such energy … Read more
This collection of 10 Best Inspire Award 2025 Working Model Ideas focuses on practical, easy-to-build, and eco-friendly solutions using commonly available materials like cardboard, sensors, without sensors, solar panels, small motors, and recyclables. Each working model demonstrates clear scientific principles and promotes social awareness, especially in areas like renewable energy, waste management, smart agriculture, and … Read more
a simple DIY Air Cooler Working Model using cardboard, 2 × 12V PC Fans, and an adapter, perfect for a science project exhibition. 1. Materials Required: 2. How It Works – Simple Principle: Basic Idea:Air cooler works by blowing air through a wet surface → Evaporative cooling effect lowers air temperature. 3. Step-by-Step Assembly: Structure … Read more
Solar Power: Energy from the Sun Solar power means using sunlight to make electricity. This is done with solar panels, which catch the sun’s rays and change them into power. The best thing about solar energy is that the sun never runs out. It is free and clean, unlike coal or oil, which cause pollution. … Read more
Introduction The electric bell is a practical device based on the principle of electromagnetism and mechanical motion. In this DIY version, we replace the traditional coil-striker system with a DC motor-driven striker. The motor rotates, and a fixed striker repeatedly hits a steel glass, producing a ringing sound. This version is simple, cost-effective, and highly … Read more
Introduction In our daily life, we often face situations where tea, coffee, or hot water is too hot to drink immediately. Waiting for it to cool naturally takes time, and using refrigeration or ice may alter taste or waste energy. Farmers, workers, and students need a simple, portable, low-cost solution to cool hot liquids quickly … Read more
Introduction Traffic lights are one of the most important inventions in road safety. They control the flow of vehicles and pedestrians at intersections. The standard traffic signal has three colors: To explain this concept in a science exhibition, you can make a working traffic light model using LED lights, switches, and a battery. This model … Read more
Introduction DNA, or Deoxyribonucleic Acid, is the genetic material that carries instructions for the growth, development, and functioning of all living organisms. Its structure is a double helix – like a twisted ladder – made of sugar-phosphate backbones and base pairs (Adenine-Thymine and Guanine-Cytosine). To showcase this fascinating structure in a science exhibition, you can … Read more
Introduction The Water Cycle (also called the Hydrological Cycle) is the continuous process by which water moves through the Earth’s surface, atmosphere, and underground layers. It involves four main stages: Evaporation, Condensation, Precipitation, and Collection. To make this concept visually engaging, we can create a circular-shaped working model that uses a transparent sheet for rotation … Read more