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: The waterfall is an area where water from the river flows vertically. They represent abrupt interruptions in the flow of the river. Waterfalls are of various sizes big and small. There is some process that goes behind the formation of waterfalls depending on the rock type. Rivers usually clear off the irregularities through the … Read more
Introduction: Air pressure, also known as atmospheric pressure is the weight of the molecules pressing on the surface of the earth. It is measured in barometric units. Barometers have a chemical called mercury within them. This chemical helps to read the atmospheric pressure in a room, or in an enclosed place. It is also the … Read more
Introduction: Water that comes into our taps from the tank is usually cold because it is groundwater. During cold weather conditions, it becomes difficult to use the normal water running through the tap. That’s when hot water requirement comes into the picture. This need has been satisfied by the invention of water heaters. Water heater … Read more
Introduction: Hibiscus is a flowering plant that growing under tropical and sub-tropical weather conditions. There are nearly hundreds of species of the plant. The hibiscus tree can grow up to 20-30 feet but the flowers are 4 inch wide. They have a beautiful structure and can grow up to 4inch length. Hibiscus flowers are sometimes … Read more
Introduction: Windmill turbine generally called as wind turbine is a machine that is used to convert energy in the wind into electricity. The windmill turbine has blades that rotate for a certain number of revolutions depending on the technology. They rotate at a constant or variable velocity according to the velocity of wind in order … Read more