Fossil Fuels
What are fossil fuels?
A natural fuel such as coal or gas.
What is solar energy?
Radiant energy emitted from the sun.
Renewable energy can provide ________ of the U.S
(hint: a percent)
80%
What are the four types of fossil fuels.
Petroleum, coal, natural gas, and orimulsion.
What is geothermal energy?
What percent of renewable energy does america have?
16.9%
Fossil Fuels are __________ resources
non-renewable
Geothermal energy is a _____________ resource.
Renewable resource.
What is oil?
A viscous liquid derived from petroleum, especially for use as a fuel.
Solar energy can be converted to _________ or ________ energy.
Thermal or electrical energy
What is coal?
Coal is a combustible black or brownish-black sedimentary rock.
Thermal energy can be referred to as __________________.
as the internal energy of a system.