1. W Richards Worthing High School
08/04/2019
Energy Resources
W Richards
Worthing High School

2. The ULTIMATE energy source
08/04/2019
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
08/04/2019
A “fuel” is something that can be burned to release heat and light energy. The main examples are:
Coal, oil and gas are called “fossil fuels”. In other words, they were made from fossils.

4. Renewable energy sources
08/04/2019
Wind
Hydro-electric
Wave
Tidal
Biomass
Geothermal

5. Renewable vs. non-renewable fuels
08/04/2019
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

6. Non-renewable energy sources
08/04/2019
Advantages
Disadvantages
Pollution – CO2 leads to global warming and SO2 leads to acid rain
Cheap fuel costs
Coal, oil, gas and nuclear
Fuel will run out
Generate a lot of energy
Not equally distributed in the world – “War for oil”
Easy to use

7. Renewable energy sources
08/04/2019
Advantages
Disadvantages
Often depend on the weather – is it sunny???
Clean
Wind, tidal, solar etc
Won’t run out
Look ugly
Easily accessible, everywhere in the world
Low energy density compared to fossil fuels