How To Make Mini Air Cooler Working Model – Science Exhibition

Good morning everyone.Today I am going to explain my science exhibition project on “Mini Air Cooler Working Model.” This is a simple DIY project that demonstrates how an air cooler works using a fan, cooling chamber, and ice. This project is based on the principle of cooling through evaporation and airflow. It helps students understand … Read more

How To Make Rain Sensor Working Model – Science Exhibition

Good morning everyone.Today I am going to explain my science exhibition project on “Rain Sensor Working Model.” This is a simple and useful DIY electronics project that detects rain or water using a rain sensor module. The project demonstrates how sensors can automatically detect water and activate an alarm system. Rain sensors are widely used … Read more

How To 2 Pencil Experiments ((Pencil Electricity & Electrolysis of Water)) – Science Exhibition

Good morning everyone.Today I am going to explain my science exhibition project on “2 Pencil Experiments.” These are simple and interesting experiments that demonstrate important scientific concepts using ordinary pencils. The two experiments are: Both experiments use pencil graphite as a conductor of electricity. Graphite is a form of carbon that allows electric current to … Read more

How To Make Smoke Generator Working Model – Science Exhibition

Good morning everyone.Today I am going to explain my science project on “Smoke Generator Working Model.” This is a DIY working model that demonstrates how smoke can be generated using a simple heating and airflow mechanism. This project is useful for understanding concepts related to air pressure, heating, combustion, and smoke production. The model is … Read more

How To Make ATM Machine Working Model – Science Exhibition

Good morning everyone.Today I am going to explain my DIY science project on “ATM Machine Working Model.” This is a simple and creative 3D model that demonstrates how an ATM machine works. The model accepts coins and dispenses paper cash, making it an interesting project for science exhibitions and school activities. ATM stands for Automated … Read more