R esources LESSON OBJECTIVE To be able to compare renewable and nonrenewable resources in terms of advantages and disadvantages TASK previous learning List 3 ways we can generate electrical energy ID: 808127
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Slide1
Advantages and Disadvantages of Energy Resources
LESSON OBJECTIVE:To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.
TASK – previous learning
:List 3 ways we can generate electrical energy.Describe how 2 of these generate electricity.Explain how 1 of these would be more beneficial to coal burning.
30/11/2017
Slide2Success Criteria
Grade C: An explanation of the advantages or disadvantages of energy resources.Grade B: A comparison between the different energy resources in terms of advantages and disadvantages.Grade A: A judgement into which resource is the best with evidence to back up your decision.
Extra bonus: Develop exam technique and How Science Works
LESSON OBJECTIVE:To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.
Slide3CONTEXT
The Mayor of Copeland wishes to provide people living in the area a good, clean energy resource to meet their energy needs for the future. He has asked you to provide evidence of which resource is better for the environment and the Copeland landscape.
KEYWORDS:
Noise pollution visual pollution atmosphere waste
Slide4Generating electricity
OK, so you gathered the information last lesson.Essentially:Steam is produced from boiled water and turns a turbine to generate electrical energy.
This happens with the burning of Coal and Biomass
and following nuclear fission.Solar panels can convert light energy directly into electrical energy.Water in all three methods uses liquid water to turn a turbine to generate electrical energy.LESSON OBJECTIVE:To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.KEYWORDS:Noise pollution visual pollution atmosphere waste
Slide51: The pie charts show the relative proportions of electricity generated in Japan from different energy sources in 1975 and 2005.
Describe
and suggest a reason for
two
differences in the energy sources
used
in
2005 compared
with 1975.
Worth 2 marks – 2 minutes
LESSON OBJECTIVE:
To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.
KEYWORDS:
Noise pollution visual pollution atmosphere waste
If the concentration of greenhouse gases in the atmosphere doubles, the average temperature of the Earth will increase by up to 5
°C over the next 100 years.
2: Mining for coal often releases large amounts of methane gas. Methane is both explosive and a greenhouse gas.
At the
Sihe
coal mine in China the methane is diverted to a gas burning power station where it is used to generate
electricity.
A newspaper reported a scientist as saying:
What has been stated in the newspaper?
a fact
or
a guess
or
a prediction
Give a reason for your answer.
Worth 2 marks – 2 minutes
LESSON OBJECTIVE:
To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.
KEYWORDS:
Noise pollution visual pollution atmosphere waste
Advantages/disadvantages of coal power stations
ADVANTAGESGives out LOTS of thermal energyReadily availableDoes not produce nuclear waste
DISADVANTAGES
If burnt at high temperatures produces: Sulphur dioxide – acid rain Nitrogen oxides – acid rain carbon dioxide – global warming
LESSON OBJECTIVE:
To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.KEYWORDS:Noise pollution visual pollution atmosphere waste
Slide8ADVANTAGESProduces even higher energy output (1 million kWh)
Does not produce any toxic or greenhouse gases
Advantages/disadvantages of nuclear power stations
DISADVANTAGESProduces nuclear waste – which could take thousands of years to become safe.If disaster strikes – thousands or people/wildlife would be affected.
LESSON OBJECTIVE:
To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.KEYWORDS:Noise pollution visual pollution atmosphere waste
3: In the UK, nuclear fuels are used to generate about 21% of the total electricity supply.(
i) What is the name of the process by which a nuclear fuel produces heat?(ii) Explain how the heat released from a nuclear fuel is used to generate electricity in power stations.
LESSON OBJECTIVE:To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.
KEYWORDS:Noise pollution visual pollution atmosphere waste Worth 3 marks – 3 minutes
Slide104: The graphs show how the amounts of coal and gas used to generate electricity changed between 1960 and 1990.
Describe these changes.Worth 4 marks – 4 minutes
LESSON OBJECTIVE:To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.
KEYWORDS:Noise pollution visual pollution atmosphere waste
Slide11How Do Solar Panels work?
Solar cells are used to capture the Sun’s light energy and transform it directly into electrical energy.
Solar cells are connected together to form solar cell panels.
Solar heating panels work in a similar fashion except water flows through them and the solar energy heats the water.LESSON OBJECTIVE:To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.KEYWORDS:Noise pollution visual pollution atmosphere waste
1 segment is a solar cell.
Slide12Advantages and disadvantages of solar panels
LESSON OBJECTIVE:To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.KEYWORDS:Noise pollution visual pollution atmosphere waste
ADVANTAGES
Useful where small amounts of electricity is needed (e.g. watches)Cost nothing to runNo pollution
DISADVANTAGES
Solar cells only converts <10% of solar to electrical
VERY expensive to buy
Lots of them are needed to generate enough power
Lots of sunshine needed
Slide135: Different energy sources are shown in the box.
An ‘Eco-home’ is one which is friendly to the environment.Imagine you are designing an ‘Eco-home’ which can use any of the energy sources above to generate electricityChoose one non-renewable energy source from the box above that could provide the electricity supply to your ‘Eco-home’, but which would be
unsuitable. Explain your answer.
Worth 2 marks – 2 minutesLESSON OBJECTIVE:To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.KEYWORDS:Noise pollution visual pollution atmosphere waste
Slide146: The graph shows the power curve of a wind turbine.
Describe, in detail, how the power output of the turbine varies with the wind speed.
LESSON OBJECTIVE:To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.KEYWORDS:Noise pollution visual pollution atmosphere waste
Slide15Other renewable energy sources
LESSON OBJECTIVE:To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.KEYWORDS:Noise pollution visual pollution atmosphere waste
ADVANTAGES
Never run outNo greenhouse gases or acid rainNo radioactive waste
DISADVANTAGES
Produce greenhouse gases in manufacture
Wind turbines are unsightly (visual pollution) and are noisy to nearby people (noise pollution)
Tidal barrages affect river estuaries and impact habitats
Hydroelectric schemes use large reservoirs of water, often flooding habitats to create dams
Sometimes very expensive to produce and maintain
Slide16For or against?
FOR
About ¾ of the UK’s electricity comes from coal power stations and about ¼ is from nuclear power stations. Many of these stations are being closed. A new power station takes several years to build. The UK Government should start building now.
AGAINSTWe don’t want new power stations. They produce too much pollution. We can get our electricity from renewable devices like wind turbines and solar panels. We believe that renewable energy devices can provide enough electricity. We don’t need new power stations.TASK:Read the speech bubbles. Ask two others not on your table what they think and then read pp274 (‘Supply and demand’) ORANGE BOOKS before writing your argument – which one will you go with and why?LESSON OBJECTIVE:To be able to compare renewable and non-renewable resources in terms of advantages and disadvantages.KEYWORDS:
Noise pollution visual pollution atmosphere waste
Grade C: An explanation of the advantages and disadvantages of energy resources.
Grade
B
: A comparison between the different energy resources in terms of advantages and disadvantages.
Grade
A
: A judgement into which resource is the best with evidence to back up your decision.
Extra
bonus
: Develop exam technique and How Science Works