SINOPSIS DEL LIBRO

<p>"Electricity is a form of energy. Electricity is the flow of electrons. All matter is made up of atoms, and an atom has a center, called a nucleus. The nucleus contains positively charged particles called protons and uncharged particles called neutrons. The nucleus of an atom is surrounded by negatively charged particles called electrons.<br><br>Before electricity generation began slightly over 100 years ago, houses were lit with kerosene lamp...Seguir leyendo