Introduction: A DC motor is an electrical machine that converts electrical energy into mechanical energy. DC motors vary in their types they can be electromechanical or electronic. These motors can be powered from direct lighting power distribution systems. Lightweight DC motors are used as portable power tools, large DC motors are used for propulsion of … Read more
Introduction: This video demonstrates the working of a rain alarm system that you can use it in your school project by doing it yourself. The experiment can be easily adapted and used in homes and industries too. A rain alarm is a smart water detector, it detects rain and automatically triggers an alarm or buzzers. … Read more
Introduction: Organic farming is a style of farming where crops and livestock is produced with no use of pesticides, fertilizers, antibiotics and growth hormones. These days, many are choosing organic farming over conventional methods of farming. There are many types of organic farming like, crop rotation, green manures, compost, biological pest control and mechanical cultivation. … Read more
Introduction: In this topic, we show a charcoal sand water purifier experiment using materials that are easily available. The water we use comes from lakes, rivers, and groundwater. It is always very important to clean this water before it can be used for drinking and other domestic purposes. The process of filtration includes four steps, … Read more
Introduction: Seed germination is the process in which a seed grows into sprout. Most of the seeds do not need sun light and they sprout naturally with very little water. Seeds can be a small package in a fruit after the fusion of male and female reproductive cells. The fully developed seeds contain food restores … Read more