THE SPHERES SUPPORTING LIFE

energy

ability to do work

eight

number of powerplants that supply Metro Manila’s energy

kilowatt

power required for the appliance to work

kilowatt-hour

energy used each hour the appliance is operating

appliance wattage x estimated monthly use (in hours)

formula for watt-hours

watt hours divided by 1000

formula for kilowatt-hours

energy sources

the means by which we generate power to meet our needs

fossil fuels

75 to 80% of energy consumed globally (non-renewable)

alternative energy

energy not derived from fossil fuels

renewable energy

energy sources that are not depleted by consumption

coal

most abundant fossil fuel resource

Venezuela

largest oil reserve

natural gas

cleanest fossil fuel

nuclear energy

non-renewable energy source

Bataan Nuclear Power Plant

plant that never produced a single watt of electricity

hydropower

renewable energy source; a non-consumptive use of water

geothermal energy

heat energy from deep within earth is converted to electricity
renewable energy source

3rd

Philippines is the ___ largest producer of geothermal energy in the world

wind energy

conversion of kinetic energy (from wind) into electrical energy via wind turbines
renewable energy source

solar energy

conversion of solar energy into electrical energy via photovoltaic panels or solar panels

biofuels

converting energy from biomass (plant, animal, microbial materials) into electricity

geosphere

fossil fuels
nuclear
geothermal

atmosphere

wind energy
solar energy

hydrosphere

hydropower

biosphere

biofuels