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
Introduction Street lights play an important role in ensuring safety and visibility on roads during the night. In many places, street lights are switched ON and OFF manually, which leads to electricity wastage if they remain ON during daytime. To overcome this problem, automatic street light systems are used. These systems automatically turn ON the … Read more
Introduction The phenomenon of day and night is one of the most fundamental and fascinating concepts in astronomy and Earth science. It occurs due to the rotation of the Earth on its own axis, causing different parts of the Earth to face the Sun at different times. When a region of the Earth faces the … Read more
Introduction Water is one of the most precious natural resources, especially in agriculture. Traditional irrigation methods like flood irrigation lead to a huge loss of water due to evaporation, runoff, and seepage. To solve this problem, modern agriculture uses drip irrigation, a highly efficient water-saving technique. Drip irrigation delivers water directly to the root zone … Read more
Introduction The human kidney is one of the most important organs of the body. Kidneys play a vital role in maintaining internal balance by filtering blood, removing waste products, regulating water level, and maintaining proper concentration of salts and minerals. Every day, kidneys filter nearly 180 liters of blood to remove toxins and excess substances, … Read more
Introduction Energy is an essential requirement for the development of any country. With increasing population and industrial growth, the demand for electricity is rising rapidly. Most of the electricity today is produced using fossil fuels such as coal, oil, and natural gas. These sources are non-renewable and cause serious environmental problems like air pollution, global … Read more
Introduction The human respiratory system is one of the most vital systems of the body. It is responsible for breathing and supplying oxygen to all body cells while removing carbon dioxide, which is a waste gas. Without oxygen, human life cannot survive even for a few minutes. Understanding how the respiratory system works is very … Read more
Introduction In the modern digital world, computer networks play a very important role in communication, data sharing, and information transfer. From schools and offices to banks, hospitals, and the internet, computer networks connect devices and people across the globe. To understand how computers are connected in a network, it is essential to learn about network … Read more
Introduction Waste management is one of the most serious challenges faced by modern society. With increasing population, urbanization, and consumption, the amount of waste generated every day is rising rapidly. Improper disposal of waste leads to environmental pollution, health hazards, blockage of drainage systems, and spread of diseases. Therefore, effective waste management is essential to … Read more
Introduction Energy is the backbone of modern life. From lighting homes and running industries to powering schools, hospitals, and transportation, energy is required everywhere. Most of the energy used today comes from non-renewable sources such as coal, petroleum, and natural gas. These sources are limited in quantity and cause serious environmental problems like air pollution, … Read more
Introduction In today’s digital age, computers have become an essential part of our everyday life. They are used in schools, offices, hospitals, banks, industries, and homes. Understanding the basic parts of a computer system is very important for students. A computer works on the simple principle of Input – Process – Output. This project is … Read more
Introduction Computers play an important role in our daily life, from education and communication to business and entertainment. Every computer system works on the basic principle of Input – Process – Output (IPO). Input devices are used to give data and instructions to the computer, while output devices are used to display or produce the … Read more
Introduction Water is one of the most precious natural resources on Earth, yet it is being rapidly depleted due to population growth, urbanization, climate change, and inefficient water management. Many cities today face severe water scarcity during summer and flooding during monsoon, highlighting poor planning and wastage of rainwater. Rainwater harvesting is a simple, cost-effective, … Read more
Introduction The kidneys are vital organs of the human body that help in filtering waste products, excess salts, and extra water from the blood. They maintain the balance of electrolytes and help regulate blood pressure. However, when the kidneys fail due to diseases such as diabetes, high blood pressure, infection, or injury, harmful waste starts … Read more
Introduction Water is one of the most essential natural resources for life on Earth. However, rapid urbanization, population growth, climate change, and over-extraction of groundwater have led to serious water shortages in many cities. At the same time, a large amount of rainwater gets wasted every year by flowing into drains and rivers. Rainwater harvesting … Read more
Aim of the Project To demonstrate the solar eclipse phenomenon using a rotating Earth and Moon model, showing how the Moon comes between the Sun and Earth, blocking sunlight. Scientific Principle A solar eclipse occurs when: Types of solar eclipse: Materials Required Model Setup (Structure) Step-by-Step Construction (DIY) Step 1: Prepare the Base Step 2: … Read more