Class 12 / Grade12

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

agriculture working model (hydroponics – solar – greenhouse – drip irrigation)

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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

How to make microscope working model

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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

10+ innovative Science Day project ideas for Space Science 2025

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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

10+ science day project ideas on environmental science 2025

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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

10+ science day working model ideas on physics 2025

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electricity generator working model - science project - physics project

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

20 science working model ideas on Natural Farming for science exhibitions

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organic-farming

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

Water pollution working model explanation

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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 सिंचाई प्रणाली कार्य मॉडल हिंदी में व्याख्या

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solar-drip-irrigation-system-working-model-for-school-science-project-exhibition-diy-simple-and-easy-steps-updated

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 ನೀರಾವರಿ ವ್ಯವಸ್ಥೆಯ ವಿವರಣೆ

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solar irrigation system working model science project for school exhibition - simple and easy

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

solar-powered irrigation system explanation in english

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solar powered agriculture(irrigation) working model - diy - science project - howtofunda

A solar-powered irrigation system is an innovative solution that combines solar energy with efficient water management to support sustainable agriculture. This system harnesses sunlight using solar panels to power a water pump, which delivers water to crops through a network of pipes or sprinklers. How It Works Advantages Applications The solar-powered irrigation system is particularly … Read more

how to make reflex action working model

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Creating a reflex action working model using serial lights (red and blue), cardboard, and color paper is a fun and educational project. Here’s a step-by-step guide: Materials Required Steps to Make the Model 1. Prepare the Base 2. Design the Layout 3. Install the Serial Lights 4. Add the Switch 5. Wire Connections 6. Label … Read more

reflex action working model explanation

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A reflex action working model demonstrates the rapid and automatic response of the body to certain stimuli without conscious thought. Reflex actions are controlled by the nervous system, particularly the spinal cord, bypassing the brain to save time during emergencies. This ensures quick reactions, which are crucial for safety and survival. How the Model Works: … Read more

Road accident prevention working model explanation

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road accident prevention project working model

A road accident prevention working model demonstrates methods and technologies that help reduce accidents on the roads. The model showcases safety features, traffic management systems, and road designs that contribute to safer driving environments. By highlighting the importance of road safety, this model can serve as an educational tool to raise awareness about accident prevention. … Read more

Microscope working model explanation

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microscope-working-model-for-science-exhibition-national-level-science-project-innovative-ideas-howtofunda

A microscope working model using cardboard, LED light, and a transparent sheet can simulate the basic functioning of a microscope by demonstrating how light is focused through a lens to magnify objects. The model helps explain the principles behind how a microscope magnifies tiny details by using simple materials to mimic the essential components. Key … Read more

Washing machine working model explanation

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A washing machine working model demonstrates the basic principles behind the operation of a washing machine, which uses mechanical motion and water to clean clothes. This model simulates the washing, rinsing, and spinning processes that take place inside a real washing machine. Key Components of the Model: How It Works(Washing machine working model): Applications and … Read more