energy
renewable ♻
radiant energy emitted by the sun.
disadvantages
advantages
solar energy is pollution free
solar panels are very expensive and cost around €5000
electrical energy obtained from harnessing the wind with windmills or wind turbines
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advantages
disadvantages
loud and people find it unappealing
only needs wind, nothing else
non renewable ⚠
a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
advantages
disadvantages
causes pollution
they provide large amounts of concentrated energy
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the energy released during nuclear fission or fusion, especially when used to generate electricity.
disadvantages
advantages
Low operating costs
Radioactive waste disposal
Nuclear energy
wind energy
solar energy
fossil fuels
What is energy?- energy is
the strength and vitality required for sustained physical or mental activity.
Wave power is the capture of energy of wind waves to do useful work – for example, electricity generation, water desalination, or pumping water. A machine that exploits wave power is a wave energy converter
wave energy
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advantages
disadvantages
Is a cheap energy source
Turbines can kill sealife
A natural resource such as coal, gas, or oil that, once consumed, cannot be replaced
energy from a source that is not depleted when used, such as wind or solar power.