Other
Pennsylvania Department of Environmental Protection: Just for Kids: Energy
Where does energy come from? What are non-renewable energy sources? How can we conserve energy? Learn the answers to these questions and more.
Energy for Sustainable Development
Esd Bulgaria: Kids & Energy: Electricity
Electricity is the flow of electrical power or charge. It is a secondary energy source which means that we get it from the conversion of other sources of energy, like coal, natural gas, oil, nuclear power and other natural sources, which...