Intro on energy and fossil fuels

1. Energy

2. Fuel is a
store of
energy
Fossil fuels
(coal, oil,
gas)
Nuclear
fuel
Others
like wood,
rubbish

3. … and using steam to spin a magnet.
This happens by boiling water to steam…
Fuel is turned into electricity

4. Page
82

11. Energy sources
Renewable
Replenished at
the rate we use
it.
Non-renewable
We use it faster
than it is
replenished

12. Fossil fuels are the
remains of buried
plants and animals
Deep in the earth
they were cooked for
millions of years to
form coal, oil and
gas.

13. They cause climate change
by releasing CO2
Environmental damage:
Acid rain
Polluting smoke
Oil spills
Non-renewable
Only about 15 countries
have most of the oil
Prices are pushed up
Other prices also go up,
such as food, clothing.
transport.
Problems with
fossil fuels

14. 1. Humans release extra CO2 into the atmosphere by burning fossil fuels.
2. The extra CO2 traps heat from the Sun, making the Earth warmer.

15. p. 83: q. 5
p. 85: q. 4-5