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