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
Natural resources are the treasures that nature provides to all living organisms. They include air, water, soil, forests, minerals, fossil fuels, and biodiversity. These resources are the foundation of life on Earth and are essential for survival, development, and progress. Without natural resources, human civilization cannot exist. Natural resources are broadly classified into renewable resources … Read more
1. Introduction Disasters are sudden events that cause large-scale destruction to life, property, and the environment. They may be natural (earthquakes, floods, cyclones) or man-made (fires, accidents, wars, industrial hazards). Disaster Management refers to planning, preparedness, response, and recovery efforts taken to reduce the impact of disasters. It is essential for a safe and sustainable … Read more
1. Introduction The human heart is a muscular organ responsible for pumping blood throughout the body. It supplies oxygen and nutrients to tissues and removes carbon dioxide and waste products. The heart works as a pump in the circulatory system, functioning non-stop from birth to death. On average, the heart beats 72 times per minute … Read more
1. Introduction The human eye is one of the most complex and important sense organs. It allows us to perceive the world through the sense of vision. Almost 80% of all information we receive comes through our eyes. The eye works like a natural camera, capturing light and converting it into signals that the brain … Read more
1. Introduction Agriculture is the backbone of human civilization and the primary source of food. Crop production and management involve the scientific methods used to grow crops efficiently to meet the growing demand for food, fiber, and raw materials. With the world’s population increasing, efficient crop management is vital for food security. Modern farming involves … Read more
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
1. Introduction to Motion Motion is one of the most fundamental concepts in physics. It describes the change in position of an object with respect to time. From the planets revolving around the sun, the movement of vehicles on the road, the swing of a pendulum, to the microscopic motion of particles inside matter – … 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 Light is a form of energy that makes vision possible. It is an essential part of our daily life, helping us perceive the world around us. Light travels in straight lines and allows us to see objects, colors, and shapes. It also plays an important role in plant growth, climate, and energy generation. The … Read more
Introduction Electricity is one of the most important discoveries in human history. It is a form of energy that powers homes, industries, schools, and almost every aspect of modern life. Without electricity, we cannot imagine living in today’s world of computers, mobile phones, and electronic devices. Electricity is the flow of electric charge, usually carried … Read more
Introduction The human body is a complex machine that needs energy to function. This energy is derived from the food we eat. However, food cannot be directly used by our body in its original form. It must be broken down into simpler molecules like glucose, amino acids, fatty acids, and glycerol that can be absorbed … 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