fossil fuels

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The Energy Story (Fossil Fuels) K Warne

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A set of slides created to teach Fossil Fuel to learners at Bishops Diocesan College in Cape Town.

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Page 1: Fossil Fuels

The Energy Story (Fossil Fuels)

K Warne

Page 2: Fossil Fuels

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How Coal was Formed

Coal developed from

the ……………….

that died ……….

……………………

ago.

It is often referred to

as a ………………..

From World Book © 2002 World Book, Inc., 233 N. Michigan Avenue,

Suite 2000, Chicago, IL 60601. All rights reserved. World Book photo

Page 3: Fossil Fuels

Fossil Fuels Plants & animals die buried many

years decompose oil & gas!

From World Book © 2002 World Book, Inc., 233 N. Michigan Avenue,

Suite 2000, Chicago, IL 60601. All rights reserved. World Book photo

Page 4: Fossil Fuels

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Oil (Petroleum)

Formed from the remains of dead/decaying …………...

Used extensively to make ………., …………. & ……………… compounds (……….. etc)

Page 5: Fossil Fuels

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Natural Gas

Formed during the decomposition of ………….. ………………..

Often mined in large off shore drilling platforms.

Page 6: Fossil Fuels

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Fossil Fuels The coal-forming

plants probably grew in ………... As the plants died, they formed a ………… of ………….. on the swamp floor.

This matter …………. into a substance called ……….. which became buried under sand or other mineral matter.

The increasing ..………..of the layers began to change the peat into …….,…….. ………………..

Page 7: Fossil Fuels

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Problems with fossil fuels All the fossil fuels – took a

very long time to form they are said to be ……………………….

We are using fossil fuels much …………………… than they can be ……………….

We will ………… of fossil fuels.

Conflict/war – results as ……………………………… for

these resources.

Pollution problems are

caused: ……………….. and …………………..

Page 8: Fossil Fuels

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Fossil Fuels Combustion

Combustion refers to reaction with oxygen.

Coal (carbon)

C + O2 CO2

Oil (hydrocarbon)

C20H42 + O2 ……….. + …………. Natural gas (hydrocarbon – methane)

CH4 + O2 ……….. + ………….

Complete & balance these reactions!

Page 9: Fossil Fuels

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Fossil Fuels - Alternatives

Nuclear Power

Hydro-electricity (gravitational potential)

Wind Power

Solar Energy

Wave Energy

Biomass

Page 10: Fossil Fuels

Global warming

Fossil Fuels energy heat

Fossil fuels CO2

CO2 traps heat in the atmosphere

CO2

Page 11: Fossil Fuels

Acid Rain

Forest damaged by acid rain!

Page 12: Fossil Fuels

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Hi -

This is a SAMPLE presentation only.

My FULL presentations, which contain loads more slides (with all the gaps filled in) as well as

other resources, are freely available on my resource sharing website:

www.sciencecafe.org.za

(paste into your browser if link above does not work)

Have a look and enjoy!

Keith Warne