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rain water alarm project Working model school science exhibition howtofunda

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Lessons List | 10 Lesson

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Course Description

Water level indicator working model, in this course introduces learners to the concept of monitoring and controlling water levels in tanks using simple electrical circuits. This project demonstrates how sensors or probes placed at different heights in a container can detect the rising water level and trigger an alarm, buzzer, or light to indicate whether the tank is empty, half-full, or full. Students will learn about the principle of electrical conductivity in water, the role of transistors, LEDs, buzzers, and how circuits are designed to give clear signals. The course guides learners step by step in building the model using affordable materials, making it a practical and engaging science project. It also emphasizes real-life applications, such as preventing water wastage, protecting pumps from running dry, and improving efficiency in households and industries. By completing the project, students gain hands-on experience in electronics, problem-solving, and environmental awareness, while also connecting classroom science with everyday life solutions. howtofunda