1. Introduction Good morning, respected judges, teachers, and my dear friends. Today, I am presenting my science project, “Rain Cloth Collector Working Model.” During the rainy season, clothes drying outside may become wet when rain starts suddenly. This can be inconvenient, especially when nobody is at home to collect them. My project demonstrates a smart … Read more
1. Introduction Good morning, respected judges, teachers, and my dear friends. Today, I am going to explain my science project, “Human Respiratory System Working Model.” The respiratory system helps us breathe. It supplies oxygen to our body and removes carbon dioxide. The main organs of this system include the nose, trachea, bronchi, and lungs. My … Read more
1. Introduction Good morning, respected judges, teachers, and my dear friends. Today, I am going to present my science project, “Rain Sensor with 9V Battery and Buzzer.” Rain is essential for agriculture, plants, and all living organisms. However, unexpected rainfall can cause problems when clothes are drying outside, windows are open, or electronic equipment is … Read more
1. Introduction Good morning, respected judges, teachers, and my dear friends. Today, I am going to present my science project, “Solar Tracking System Using Arduino and LDR.” Solar energy is a clean and renewable source of energy. Solar panels convert sunlight into electrical energy. However, the position of the Sun changes throughout the day, and … Read more
1. Introduction Good morning, respected judges, teachers, and my dear friends. Today, I am going to present my science project, “Conductor or Non-Conductor of Electricity Working Model.” Electricity plays an important role in our daily lives. We use it to operate lights, fans, computers, mobile phones, and many other devices. However, all materials do not … Read more