Difference between revisions of "Natural Gas"
(→Power) |
|||
Line 20: | Line 20: | ||
: 4. The turbine causes a generator to spin. | : 4. The turbine causes a generator to spin. | ||
: 5. The generator makes an electrical current. | : 5. The generator makes an electrical current. | ||
+ | |||
+ | ====Advantages==== | ||
+ | *Can work continuously. | ||
+ | *Power supply can be varied quickly depending on demand. | ||
+ | *Few power stations needed to supply a large number of houses. | ||
+ | |||
+ | ====Disadvantages==== | ||
+ | *Cost of fuel. | ||
+ | *Produce Carbon Dioxide contributing to global warming. | ||
+ | *Other pollutants produced which can harm health or produce acid rain. | ||
+ | *Natural Gas will run out. |
Revision as of 09:43, 9 October 2018
Contents
Key Stage 3
Meaning
Natural Gas is a gaseous Fossil fuel formed from the remains of dead plants and animals.
About Natural Gas
- Natural Gas is a non-renewable energy resource.
- Natural Gas has energy in its chemical potential energy store which can be transferred into a thermal energy store by combustion.
Power
- Natural Gas can be used to provide power directly buy burning it in homes and in furnaces or it can provide power by generating electricity.
A diagram of a coal power station. |
- 1. Natural Gas is burned in a furnace.
- 2. Water is heated in a boiler by the burning gas.
- 3. Water turns to steam and passes down pipes to turn a turbine.
- 4. The turbine causes a generator to spin.
- 5. The generator makes an electrical current.
Advantages
- Can work continuously.
- Power supply can be varied quickly depending on demand.
- Few power stations needed to supply a large number of houses.
Disadvantages
- Cost of fuel.
- Produce Carbon Dioxide contributing to global warming.
- Other pollutants produced which can harm health or produce acid rain.
- Natural Gas will run out.