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Energy Resources

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Energy Resources W Richards The Weald School The ULTIMATE energy source Fuels Renewable vs. non-renewable fuels Non-renewable energy sources Renewable energy sources ... – PowerPoint PPT presentation

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Title: Energy Resources


1
Energy Resources
  • W Richards
  • The Weald School

2
The ULTIMATE energy source
The sun is the ultimate source of all our
energy. For example, we often get energy from
beef BEEF comes from COWS, COWS eat
GRASS, GRASS gets energy from the sun
3
Fuels
A fuel is something that can be burned to
release heat and light energy. The main examples
are
4
Renewable vs. non-renewable fuels
A ________ energy source is one that can be
_______ (renew make again), e.g. _____, solar
power etc. Biomass is also an example of a
renewable energy source ______ is a form of
biomass. A ___________ energy source is one that
when it has been used it is gone forever. The
main examples are ____, oil and gas (which are
called ______ ____, as they are made from
fossils), and nuclear fuel.
Words non-renewable, coal, wind, renewable,
fossil fuels, wood, renewed
5
Non-renewable energy sources
Advantages
Disadvantages
Pollution CO2 leads to global warming and SO2
leads to acid rain
Cheap fuel costs
Generate a lot of energy
Fuel will run out
Easy to use
6
Renewable energy sources
Advantages
Disadvantages
Often depend on the weather is it sunny???
Clean
Wont run out
Look ugly
Energy is dilute in other words, its very
spread out
Easily accessible
7
Food
Food is an energy resource. The amount of energy
it contains is measured in kilocalories (KCal).
For example, consider 100g of the following
230 KCal
760 KCal
160 KCal
35 KCal
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