1. NON RENEWABLE
1.1. COAL
1.1.1. A combustible, organic rock made of H,C, and O
1.2. OIL
1.2.1. Liquid that is derived from petroleum
1.3. NATURAL GAS
1.3.1. Gas found underground that contains methane
1.4. NUCLEAR ENERGY
1.4.1. The enrgy that is released during nuclear fission
2. RENEWABLE
2.1. LIQUID BIOFUELS
2.1.1. fuels from plant material in a liquid form for easy transportation
2.2. SOLID BIOMASS
2.2.1. energy that can be burned into charcoal from wood or wood pellets
2.3. PHOTOVOLTAIC SOLAR CELLS
2.3.1. solar panels that capture the sun's energy and create electricity
2.4. SOLAR WATER HEATING
2.4.1. uses the energy from the sun to heat water such as from a pool
2.5. HYDROELECTRICITY
2.5.1. uses the KE energy from water and turns a turbine that produces electricity
2.6. TIDAL
2.6.1. uses the tides in oceans to turn turbines that produce energy
2.7. GEOTHERMAL
2.7.1. energy that is created from the natural heat of the earth
2.8. WIND
2.8.1. uses wind turbines to create energy in windy areas of the world
2.9. HYDROGEN FUEL CELL
2.9.1. uses hydrogen to convert chemical energy into electricity through hydrogen reactions