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# Using The Atom To Make Electricity

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### Using The Atom To Make Electricity

1. 1. Using the atom to make electricity
2. 2. Different power stations (advantages/ disadvantages) <ul><li>Use these cards to think about the advantages and disadvantages of nuclear power , fossil fuel power stations and renewable energy sources. </li></ul><ul><li>Write the 3 groups down in your book. </li></ul>
3. 3. Today you will achieve <ul><li>You will be able to </li></ul><ul><li>Recall how a chain reaction happens </li></ul><ul><li>Describe how a chain reaction is controlled to stop a melt down </li></ul><ul><li>Label how a nuclear power station works </li></ul><ul><li>Understand why Einstein and E=mC 2 is such a powerful equation </li></ul>
4. 6. Einstein E=mC 2 <ul><li>E = Energy </li></ul><ul><li>m = Mass </li></ul><ul><li>C = speed of light </li></ul><ul><li>(300000000 m/s) </li></ul><ul><li>c 2 is 9 X10 16 . </li></ul>
5. 7. Some E = mC 2 questions <ul><li>1 What does Einstein’s theory allow us to predict? </li></ul><ul><li>  </li></ul><ul><li>2 a The amount of energy released by 1 kg of uranium-235 undergoing nuclear fission is 1013 J. How much mass is changed into energy? </li></ul><ul><li>  </li></ul><ul><li>b What percentage of the mass is changed into energy? </li></ul><ul><li>  </li></ul><ul><li>3 a The average energy content of a litre of petrol is 34.8 MJ. How much mass is changed into energy when a litre of petrol is burned? </li></ul><ul><li>  </li></ul><ul><li>b A litre of petrol has a mass of 0.68 kg. What percentage of it is changed into energy when it is burned? </li></ul><ul><li>  </li></ul><ul><li>4 Sam has a mass of 60 kg. How much energy would be released if all his mass was converted into energy? </li></ul>c 2 is 9 X10 16
6. 9. Watch the video and answer these questions <ul><li>Which atomic isotope can undergo fission? </li></ul><ul><li>Which particle starts a chain reaction? </li></ul><ul><li>Neutrons need to be slowed down to allow other atoms to absorb them. What is the name of the thing that slows neutrons down? </li></ul><ul><li>To stop a runaway chain reaction something is put into the reactor to absorb neutrons, What is this called? </li></ul><ul><li>How does water turn into steam to turn a turbine? </li></ul><ul><li>What else can nuclear reactors power? </li></ul>
7. 10. A chain Reaction, does it happen? <ul><li>Critical mass is the amount of pure uranium you would need close together to start a chain reaction (this occasionally happens in nature) </li></ul><ul><li>Look at each of these slides, will a stable chain reaction happen? </li></ul>
8. 11. Sections of a nuclear power plant Label the main parts and write what each section does.