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
In this video, you’ll learn how to make a Mini Air Cooler (AC) using cardboard, a DC motor, and simple tools. This project is perfect for school science fairs, teaching the concept of evaporative cooling and basic electrical motor use. Step-by-Step Video Instructions: 1. Build the Frame: 2. Add the Fan: 3. Make Cooling Pad … Read more
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
You can build an agriculture working model that combines hydroponics, solar energy, greenhouse farming, and drip irrigation on one base. Materials Needed: Cardboard & Color Paper (for structure and decoration)Plastic Bottles or Small Containers (for hydroponic system)Small Tubes or Straws (for drip irrigation)LED Light or Small Solar Panel (for solar energy simulation)Transparent Plastic Sheet (for … Read more
For your microscope working model, here’s how you can build it using cardboard, an LED light, a transparent sheet, a cardboard pipe, color paper, and mobile zoom: Materials Needed: Steps to Build: How It Works: https://www.youtube.com/@howtofunda
Here are 15 innovative Science Day project ideas for Space Science 2025, along with a brief introduction for each: Solar System Working Model (Motorized rotation) Demonstrates the arrangement and motion of planets around the Sun using a rotating mechanism Solar System Working Model with LED Lights(Motorized rotation) Demonstrates the arrangement and motion of planets around … Read more
Here are 10+ innovative Science Day project ideas for Environmental Science 2025, along with a brief introduction for each: Water Pollution Model Uses a plastic tray and factory model. Waste Water Purification Model Uses gravel, sand, and cotton filters. Global Warming and Greenhouse Effect Model Shows climate change effects. Rainwater Harvesting Model Demonstrates water collection … Read more
Here are 10+ innovative working model ideas for Science Day 2025 in Physics, along with a brief introduction for each: Solar-Powered Water Pump Demonstrates how solar panels convert sunlight into electrical energy to operate a water pump. Hydroelectric Power Plant Model Uses flowing water to rotate a turbine and generate electricity, explaining hydroelectric power generation. … Read more
Natural farming is an agricultural method that relies on nature’s processes to grow crops without using chemical fertilizers, pesticides, or intensive plowing. It focuses on soil health, biodiversity, and minimal human intervention, making it an eco-friendly and sustainable approach. Here are 20 science working model ideas on Natural Farming for school exhibitions: 1. Zero Budget … Read more
A water pollution working model demonstrates how harmful substances contaminate water bodies and showcases ways to reduce or prevent pollution. This simple project helps us understand the effects of pollution on water and highlights the importance of keeping it clean. How It Works The model consists of a small setup representing a water body, such … Read more
सौर ऊर्जा से चलने वाली सिंचाई प्रणाली एक आधुनिक कृषि समाधान है जो फसलों को पानी देने के लिए सूर्य के प्रकाश का उपयोग करती है। इसे पैसे बचाने, पानी के संरक्षण और पर्यावरण की रक्षा के लिए डिज़ाइन किया गया है। यह प्रणाली दूरदराज के क्षेत्रों में किसानों के लिए विशेष रूप से सहायक … Read more
ಸೌರಶಕ್ತಿ ಚಾಲಿತ ನೀರಾವರಿ ವ್ಯವಸ್ಥೆಯು ಸೂರ್ಯನ ಶಕ್ತಿಯನ್ನು ಬಳಸಿಕೊಂಡು ಸಸ್ಯಗಳು ಅಥವಾ ಬೆಳೆಗಳಿಗೆ ನೀರುಣಿಸುವ ಒಂದು ಉತ್ತಮ ಮಾರ್ಗವಾಗಿದೆ. ಇದು ರೈತರು ಸಾಂಪ್ರದಾಯಿಕ ವಿದ್ಯುತ್ ಅಥವಾ ಇಂಧನ ಆಧಾರಿತ ವ್ಯವಸ್ಥೆಗಳನ್ನು ತಪ್ಪಿಸುವ ಮೂಲಕ ಹಣವನ್ನು ಉಳಿಸಲು, ನೀರನ್ನು ಸಂರಕ್ಷಿಸಲು ಮತ್ತು ಮಾಲಿನ್ಯವನ್ನು ಕಡಿಮೆ ಮಾಡಲು ಸಹಾಯ ಮಾಡುತ್ತದೆ. ಇದು ಹೇಗೆ ಕಾರ್ಯನಿರ್ವಹಿಸುತ್ತದೆ ಸೌರ ಫಲಕಗಳು: ಈ ವ್ಯವಸ್ಥೆಯು ಸೂರ್ಯನ ಬೆಳಕನ್ನು ಹೀರಿಕೊಳ್ಳುವ ತೆರೆದ ಪ್ರದೇಶದಲ್ಲಿ ಇರಿಸಲಾದ ಸೌರ ಫಲಕಗಳೊಂದಿಗೆ ಪ್ರಾರಂಭವಾಗುತ್ತದೆ. ಈ ಫಲಕಗಳು ಸೂರ್ಯನ ಬೆಳಕನ್ನು ವಿದ್ಯುತ್ … Read more