Class 12 / Grade12

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

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

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

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

A space shuttle launching working model demonstrates how a space shuttle is launched into space, simulating the process of lift-off, propulsion, and ascent. This model helps visualize the mechanics behind a real space shuttle launch, showing how rockets provide the thrust needed to break free from Earth’s gravity and enter space. Key Components of the … Read more

A solar energy working model demonstrates how sunlight can be converted into usable electricity using solar panels, showcasing the process of photovoltaic energy generation. Solar energy is a clean and renewable energy source, and this model helps explain how it works and can be harnessed for practical use. Key Components of the Model: How It … Read more

A heart working model using syringes demonstrates how the heart pumps blood through the circulatory system. The model mimics the contraction and relaxation of the heart chambers, showing the process of blood flow, similar to how the human heart works in pumping oxygenated and deoxygenated blood. Key Components of the Model: How It Works(heart working … Read more

A greenhouse working model demonstrates how a controlled environment can optimize plant growth by regulating temperature, humidity, and light. This model replicates the basic functioning of a greenhouse, a structure that harnesses solar energy to create ideal conditions for plants, allowing them to grow year-round. Key Components of the Model: How It Works(Greenhouse working model): … Read more

A water filter working model demonstrates the process of purifying water by removing impurities and contaminants, making it safe for drinking. The model showcases a simple filtration system using various natural materials to simulate a water purification process. Key Components of the Model: How It Works(Water filter working model): Applications and Learning: This hands-on model … Read more

A hydroponic farming working model demonstrates an innovative method of growing plants without soil. Instead of using traditional soil, plants are grown in nutrient-rich water, which provides all the necessary nutrients directly to the plant roots. This model highlights the benefits of soil-free farming, such as water conservation, faster growth, and space efficiency. Key Components … Read more