Renewable energy Flashcards
able to be recycled or replenished in a short period of time
renewable
use of water to generate electricity
hydropower
engine with large blades
turbine
organic material made from plants and animals
biomass
The amount of sunlight that reaches the earth’s surface depends on _____.
time of year
location
weather
time of day
The most widely used renewable energy source is _____.
hydropower
What is the biggest disadvantages of a windmil
Wind machines only generate electricity when wind is blowing.
Biomass includes _____.
animals
animal waste
paper trash
plants
Renewable energy sources _____.
can be replenished
Nonrenewable energy sources _____.
can eventually be used up
The single biggest source of the electricity in the United States comes from burning _____.
Coal
When burned, coal releases _____.
sulfur
carbon dioxide
nitrogen oxide
is made from buried remains of plants and animals
Oil and natural gas
fossil fuel with its common use
gasoline
natural gas
fossil fuel with its common use
electricity
coal