science working model

An earthquake alarm is a device that detects ground vibrations and alerts people to take safety precautions. This working model uses simple components like sample houses, a DC motor, a 9V battery, and a nut to simulate and detect earthquakes effectively. It is an engaging way to demonstrate disaster management in a science exhibition. Components … Read more

A river flooding alarm is a device that alerts people when water levels rise dangerously high, indicating the risk of flooding. This working model uses simple components like nuts, bolts, a 9V battery, and a buzzer to demonstrate an early warning system. It is set up with a plastic tray to simulate a river and … Read more

A rain alarm is a device that alerts people when it starts raining. This working model demonstrates how a rain alarm works using simple components like metal blades and a 9V battery. It is a practical and educational tool for understanding basic electronics and the concept of conductivity. Components of the Model How It Works … Read more

A fire alarm system is essential for detecting fires and ensuring safety. This working model demonstrates a fire alarm using a tubelight starter and a 9V battery, showcasing a simple yet effective fire detection mechanism for science exhibitions. Components of the Model How It Works Benefits This fire alarm working model is an excellent tool … Read more

An air cooler is a simple and efficient way to cool the air using water or ice. This working model demonstrates how it works, using materials like a cardboard box, a 9V battery, a DC motor, and ice to show the cooling process. Air coolers are eco-friendly and consume less energy compared to air conditioners. … Read more