In this category, we add all the DIY school project models for pre-college students (Class 11 / Grade11 )/ (Class 12 / Grade12 ).
where students can do themselves step by step for their school exhibition or fair
A hydroelectricity generator converts water flow energy into electrical energy using a turbine and generator. This method is commonly used in hydropower plants to produce renewable electricity. Hydroelectricity Generator Working Model Making This DIY working model will demonstrate how flowing water can generate electricity using a rotating turbine made of bottle caps, a DC generator, … Read more
Rainwater harvesting is the process of collecting, storing, and using rainwater for agricultural purposes. It helps in water conservation, groundwater recharge, and irrigation during dry seasons. This DIY working model will demonstrate how rainwater is collected, stored, and reused for irrigation using a DC water pump and a 9V battery. Materials Required: Steps to Make … Read more
Control (Ctrl) shortcut keys are keyboard combinations that help users perform common tasks quickly. These shortcuts are used with the Ctrl key along with another key to execute commands. Common Control Shortcut Keys and Their Functions: Basic Editing Shortcuts File Management Shortcuts Text Formatting Shortcuts Navigation Shortcuts Browser Shortcuts These shortcuts increase efficiency by reducing … Read more
The sectors of the Indian economy are divided into three main categories based on the type of economic activity: 1. Primary Sector (Agriculture & Natural Resources) 2. Secondary Sector (Manufacturing & Industries) 3. Tertiary Sector (Services & Trade) Relation Between the Sectors: How to make 3D working model on the sectors of the Indian economy … Read more
A computer flowchart is a diagrammatic representation of a process or algorithm using symbols and arrows to show the flow of control. It is used in programming and system design to visually map out logical steps in solving a problem. This working model will visually represent a computer flowchart with LED lights and switches, allowing … Read more