Renewable & Non- renewable energy. Fossil Fuels 1.Name the main types of fossil fuels. 2.Explain...

Renewable & Non- renewable

energy

Fossil Fuels

1. Name the main types of fossil fuels.

2. Explain briefly how they were made.

3. Why is there a problem with fossil fuels?

( 2 reasons )

Power Stations

Power stations

In fossil fuel power stations the fuel is burned to produce heat

This heat generates steam

The steam helps spin a large turbine

This spinning turbine generates electricity

- However, lots of waste gases are produced

- E.g. sulphur dioxide, carbon dioxide, nitrogen oxide

- What problems do these gases cause?

Alternative Energy

List as many kinds of renewable

energy as you can.

At least 4 kinds.

Wave Energy

Wave Energy

The energy in the waves can be changed into electrical energy.

It is free, clean and will not run out.

Only available at certain locations.

It is difficult to convert into useful energy

Wind Energy

Wind Energy

It is free,clean and will not run out.

Only suitable at certain locations.

Can be noisy, and cause visual pollution.

It is difficult to convert into useful energy.

Hydro Electric

Hydro Electric

As the water flows down it turns turbines

Which then turn generators to make electricity.

Only available at suitable locations.

Solar Energy

Solar Energy

The suns light is changed into electrical energy.

It will not run out and is free and clean.

Some locations are more suitable than others.

Solar panels can be very expensive

A clue to another kind of free energy

Geothermal energy

Energy in the form of heat is found in some rocks.

Water is pumped through the rocks to extract the heat.

Only in suitable locations and it is difficult and expensive to set up

Nuclear Power Station

Energy comes from nuclear fission.

The atoms split releasing energy and 2 or more neutrons.

These neutrons split other atoms and there is a chain reaction.

Is non-renewable – uses radioactive metals e.g. uranium

Nuclear Power

List advantages and disadvantages of nuclear power.

Advantage:– a little fuel gives a lot of energyDisadvantages:- dangers involved with nuclear energy- problem with nuclear waste lasting a long

time

BioFuel• Plants (e.g. sugar cane) can be

used to produce alcohol

• This alcohol (ethanol) is very flammable

• Can be used as a source of energy

• However, growing crops for fuel not food is controversial

 Source of Energy Advantages Disadvantages 

1.Wind2.Wave3.Solar4.Tidal5.Geothermal6.Hydroelectric7.Nuclear8.Fossil Fuels9. BioFuels