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Renewable and Nonrenewable Energy Sources

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Melissa May

on 3 December 2015

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Transcript of Renewable and Nonrenewable Energy Sources

Nonrenewable Energy Sources
Nonrenewable Energy Sources
Fossil Fuels
These are energy-rich substances
(coal, oil, and gas)
formed over millions of years
from the remains of ancient organisms

(decayed ancient plant and animal life)
These fuels need to be
to make energy.
Examples include:
natural gas, coal, oil,

petroleum products (gasoline, diesel fuel, propane), and Uranium (nuclear energy)
Fossil fuels create
air pollution
and waste.
What Are Fossil Fuels?
Nonrenewable Resource:
A natural resource that is
replaced in a useful time frame.
Renewable Resource:
A resource that is either always available or is naturally replaced in a relatively short time.
Hydroelectric Power:
Wind Power:
Biomass Fuels:
Geothermal Power:
Solar Power:
Energy from the sun.
Solar means sun.
It is used for electricity for homes and businesses.
We have many solar powered devices. (calculators, lights, flashlights)
Moving water can be used to generate electricity.
Huge dams, called hydroelectric dams, built across rivers can generate electricity for cities.
Energy obtained from wind (moving air).
It is safe, clean, and is more affordable than other energy sources.
You need a place with lots of wind!
Fuels made from living things (wood, leaves, food wastes, manure).
It is used to make electricity and liquid, solid, and gaseous fuels (ethanol and biodiesel).
Heat from Earth's interior.
It is costly because of design and installation. It also needs a large area for piping.
However, it will be likely to pay off after years of operation.
Renewable Energy Sources
Natural Gas
Nuclear Power
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