module 13 SDG 7

Secondary Energy

Energy from the conversion of
other primary energy resources

nonrenewable

Energy resource that will not
regenerate within a short period of time; once
converted to energy and used, gone forever
1. Oil
2. Natural gas (methane gas)
3. Coal
4. Nuclear energy

Fossil Fuels

Derived from plant materials
and living organisms converted to
hydrocarbons over million of years

Smog

= Smoke + Fog
 Formed when Volatile Organic Compounds (VOCs)
are released from burning fuel + reaction with
nitrogen oxides and oxygen + sunlight + heat =
Smog

renewable energy

Energy resources renewed by natural systems
in a short amount of time
Includes all energy forms consumed by
humans except fossil fuels and nuclear energy