ELECTRICITY
por Miguel Ángel García
1. CURRENT
1.1. Electricity flows
1.1.1. Electricity we have at home
2. STATIC
2.1. Energy does not move
2.1.1. Lightning Storms
3. Secondary Source of Energy
4. Definition: Very important source of Energy
4.1. Secondary Sources are made of PRIMARY SOURCES OF ENERGY
4.1.1. PRIMARY SOURCES: air, coal, wood