In this video , it will show you How to make a simple SOLENOID ENGINE using basic things .Very simple to make and a perfect working model for science projects. It works on principle of electromagnetism and converts electrical energy into mechanical energy . It works on 12v dc power supply.
A chemistry tutorial designed to help learn the basic principles of balancing chemical equations, along with examples and methods of balancing different chemical equations.
What's the difference between a physical change and a chemical change? What are elements, compounds, pure substances, and mixtures? So many definitions to learn! Don't worry, Professor Dave will take you through the details.