energy sources there are two forms of energy sources: 1. non-renewable energy sources. 2. renewable...
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Energy SourcesThere are two forms of energy sources:
1. Non-renewable energy sources.2. Renewable energy sources.
Non-renewable energy sources are energy sources that cannot be replaced and will eventually run out.Renewable energy sources are natural energy sources which do not get used up.
Non-renewable EnergyNon-renewable energy is the more traditional
source of energy and is most commonly known as fossil fuels.
Examples of non-renewable energy are:Coal.Oil.Natural Gas.
Non-renewable sources of energy are much cheaper than renewable sources but are harmful to the environment.
Nuclear EnergyNuclear energy is energy in the nucleus (core) of
an atom. Nuclear energy can be used to make electricity.
But first the energy must be released. It can be released from atoms in two ways: nuclear fusion and nuclear fission.
Nuclear energy plants are very expensive to build.It does not emit carbon dioxide into the
atmosphere but can be very dangerous due to radioactivity.
Renewable EnergyRenewable energy is a source of energy that
does not get used up.There are many different forms of renewable energy:
Wind energy.Solar energy.Bioenergy.Ocean energy.Hydroelectricity (Inniscarra Dam).
Wind EnergyThe energy that travels in the wind can be
captured and converted to provide electricity.Wind turbines are used to create electricity
from the energy in the wind.
Wind turbines are located onshore and offshore.
Solar Energy
Solar energy is reasonably predictable, and is not associated with any environmental risk.
There are two main ways that solar energy is used in our buildings :
1. Solar Heat 2. Solar ElectricitySolar light (light from the sun) can be
exploited in building design to even further minimise the need for artificial lighting during daylight hours.
Ocean EnergyOcean energy uses the power from the sea to
create electricity.It uses energy from waves or from tidal
currents.Ireland has one of the greatest ocean energy
resources in the world.
BioenergyBioenergy is energy which comes from
biomass (Plants and other organic material).Biomass can be burned to provide heat or
converted to steam to drive engines.
Certain plants can be converted to fuel (biofuel) and special cars can run on this biofuel.
HydroelectricityA dam is built to trap water, usually in a valley
where there is an existing lake. Water is allowed to flow through tunnels in the
dam, to turn turbines and thus drive generators.
Hydro-electric power stations can produce a great deal of power very cheaply.
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