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A Fossil fuel Colin Martin and Devin Nunnari.  286 million years ago dead plants fell to the bottom of swamps.  More water and dirt wash in halting.

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Presentation on theme: "A Fossil fuel Colin Martin and Devin Nunnari.  286 million years ago dead plants fell to the bottom of swamps.  More water and dirt wash in halting."— Presentation transcript:

1 A Fossil fuel Colin Martin and Devin Nunnari

2  286 million years ago dead plants fell to the bottom of swamps.  More water and dirt wash in halting decay process.  The pressure builds up and forms coal.  Coal is a fossil fuel.

3  In 1275 Marco Polo saw the Chinese using coal.  Hopi Indians used coal to bake pottery.  Discovered coal in 1600s.  Humphrey Davy made the safety lamp in 1815.  Coal became popular in the 1800s.

4  Coal is mined in every continent except Antarctica.  The USA and China mine the most coal in the world.  The USA has the worlds largest coal reserve.  Coal is mined in 33 states.  Surface mining extracts about 70% of coal.  Surface mining can only be used when 200 feet underground.

5  More than half of the mines are near the surface.  Power plants are installing machines called scrubbers because of so many accidents.  Coal produces a lot of power when burned.

6  Mines produce an enormous pile of waste.  Coal can form acid rain.  When coal is inhaled dust clogs lungs/airways.

7  Coal is a nonrenewable energy source, it takes millions of years to form.  We will have coal last about 260 Years.

8  Slurry combined with calcium oxide makes hydrogen gas.  A steam powered super car uses coal for an engine.


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