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 A water overflow alarm is an electronic device designed to prevent the wastage of water. It alerts people when a water tank becomes full, usually by producing a loud sound or turning on a light. This simple system helps in saving water, electricity, and avoids unnecessary mess caused by overflow. The device works using … Read more
Introduction Water is one of the most important resources for life, but fresh water is limited and many areas face shortages. To solve this problem, two important methods are used: rainwater harvesting and water purification. Rainwater harvesting means collecting rainwater and storing it for future use. The water is usually collected from rooftops or open … Read more
This 3D model demonstrates both Solar and Lunar Eclipses.The Sun, Earth, and Moon are represented by these three colored balls.In a Solar Eclipse, the Moon blocks the Sun’s light and casts a shadow on Earth.In a Lunar Eclipse, the Earth comes between the Sun and Moon, casting a shadow on the Moon.This model helps us … Read more
Geothermal energy uses heat from deep inside the Earth. In some places, hot water and steam come from underground. This steam can run turbines to make electricity. It is clean, renewable, and available all year. Countries like Iceland and the USA use geothermal power a lot. It can also be used to heat houses and … Read more
“This is a combined renewable energy model. On the left, hydroelectric power is generated when water flows and turns the turbine. In the middle, wind energy converts kinetic energy of air into electricity. On the right, solar energy is captured by solar panels to power homes.All these sources are eco-friendly, renewable, and sustainable. Here’s a … Read more