In this category, we add all the diy school project models for pre-college students Class 12 /Grade12.
Where students can do themselves step by step for their school exhibition or fair
Introduction An electric bell is a common device used in schools, offices, and homes to produce a sound signal when activated. It works on the principle of electromagnetism, where electric current creates a magnetic field that attracts a metallic hammer to strike a bell or steel plate. The electric bell is an important example of … Read more
Introduction Brakes are one of the most important safety systems in vehicles. Among different types of braking systems, hydraulic brakes are widely used in cars, bikes, and heavy vehicles because they provide strong and smooth braking. Hydraulic brakes work on the principle of fluid pressure transmission, where force applied at one point is transmitted equally … Read more
Introduction Hydroelectricity is one of the most important and widely used renewable sources of energy. It is produced by converting the energy of flowing or falling water into electrical energy. Hydroelectric power plants generate electricity without producing pollution, making them eco-friendly and sustainable. This Hydroelectricity Working Model is a DIY science exhibition project made using … Read more
Introduction The human heart is a vital organ of the circulatory system. It works continuously like a pump to circulate blood throughout the body. The heart supplies oxygen-rich blood to all organs and removes carbon dioxide and waste products. Understanding the working of the heart is very important in biology. This Human Heart Working Model … Read more
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