Jun 22, 2016 this is an interactive lesson on nuclear power and nuclear power stations. Nuclear power stations and coalfired power stations usually produce the minimum level of electricity required by the national grid over a period of 24 hours. New classroom physics science poster mathematik, physik, optik gcse physics. Carbon14 has a half life of 5570 years because it stopped being produced when the object died the radioactive exponentially decreases over time. Radioactivity, nuclear physics from alevel physics tutor. In a nuclear power station, nuclear fuel undergoes a controlled chain reaction in the reactor to produce heat nuclear energy is. Nuclear power generating electricity wjec gcse physics. We use different energy resources to turn the turbines. Nuclear fission is when a large nucleus splits up into two lighter nuclei, this releases energy.
A power station converts a primary energy source into electricity. The heat produced by fission heats water, producing steam, which turns a turbine, driving a generator. Current electricity is a flow of charged particles. With more than 60 years experience in teaching the physics of nuclear reactors. Fission reactors nuclear power edexcel gcse physics.
Some power stations use a primary energy source to heat water. Various energy sources can be used togenerate the electricity we need. When the fossil fuel is natural gas, some power stations dont boil water to make steam but directly use the hot burnt gases to turn the turbine. For maths and english gcse equivalency the student must offer maths and english. The site is particularly useful for those in the uk studying gcse physics and a level physics. The steam produced drives a turbinethat is coupled to an electrical generator. Electricity generation gcse gorillaphysics gcse and a level. Gcse radioactivity revise the reaction of nuclear fission. Nuclear physics the best o level revision resource. Nuclear power stations create waste, some of which remains. Nuclear power stations create waste, some of which remains dangerous for. Ppt aqa gcse physics 27 nuclear physics powerpoint.
Nuclear power produces energy that is converted into electrical energy in nuclear power stations. Power stations turning a generator produces electricity. A summary sheet of the physics equations in the gcse syllabus. Current electricity is a flow of charged particles in all dry conductors the flow is of electrons electrons flow from negative to positive conventional current flows from positive to negative although conventional current doesnt really exist. Carbon14 dating uses the radioactive properties of carbon14 to date old living matter like bones or wood. Nuclear fission nuclear power produces energy that is converted into electrical energy in nuclear power stations. Oct 31, 2016 most core science gcse syllabi have a section on understanding our choices we have when selecting power stations. Fossil fuels, nuclear power, geothermal energy and biomass are all used to boil water to make steam which turns a turbine. Gcse physics radioactivity high demand questions questionsheet 6 a source, which emits beta radiation, is used in a factory to control thickness of sheet metal as it. It is considered to be the worst nuclear power plant disaster in history as the chain reaction went out of control. It includes a market place circus activity and a class debate.
This is caused by the binding energy the energy required to remove a nucleon from a nucleus as the strong force must be. Students will frequently assume that nuclear power stations are highly dangerous, while ignoring the more serious but gradual concerns associated with fossil. Free nuclear physics online practice tests 7 tests found for nuclear physics nuclear physics 10 questions 842 attempts aieee physics, nuclear physics, iit jee physics, xii cbse, i. Stuart lloyd tony forsythe jonny friend jen randall series editor. Nuclear engineer explore careers national careers service. The neutron is absorbed, which makes the atom extremely unstable so it splits into two smaller atoms, releasing more neutrons and a huge. Advantages and disadvantages of nuclear power stations. The uranium fuel rods are inserted into a large mass of moderator and are arrange in the reactor core to form the fuel assembly. This gcse physics quiz on radioactivity takes a look at nuclear fission. Tutorials, tips and advice on gcse physics coursework and exams for students, parents and teachers. To do a degree, you will usually need five gcses ac, including maths. Gcse physics how does a power station generate electricity. This process releases energy, which can be used to heat water and turn it into steam.
Gcse power stations conventional and nuclear revision. In the early hours of the 26 th april 1986, one of the four nuclear reactors at chernobyl exploded in ukraine. The term thermal power plant is used since fuel is burnt to produce heat energy which is converted into electrical energy. How is the reaction in a nuclear reactor controlled. Its renewable, no green house gases, individually it dosent produce a lot of power. Creating currents you can see that any current in a magnetic field will produce a force, which may make something move. Yr 9 work power energy revision potential energy power. Nuclear power advantages and disadvantages table in gcse. Fission reactors nuclear fission and fusion aqa gcse. How does a power station generate electricity some power stations use a primary energy source to heat water. Worksheet nuclear power stations teaching resources. Electricity generation gcse gorillaphysics gcse and a.
During nuclear fission a neutron is fired at a uranium atom. Power is a word people muddle up with energy and with good reason. Generating electricity gcserevision, physics, electricity. Click here to buy physics books for your gcse or a level and support. To turn the generators we connect them to turbines. You can find notes and exam questions for additional math, elementary math, physics, biology and chemistry. The two terms are related, but they are not the same thing. Transfer of energy the student in the picture below is having a lot of fun. Each chapter is independent but with the necessary technical overlap to provide a complete work on the safe and economic design and operation of.
Heres a quick video i made when i was out and about on my bike in the loire. Over 160,000 free revision quiz questions on english, maths, biology, chemistry, physics, history, geography and more gojimo will do all the heavy lifting to make sure you get the right questions for the right exam at the right time. Instead a process called nuclear fission takes place. Work and power work is done when a force causes an object to move in the direction of the force. The opposite affect is that if a wire is moved in a magnetic field, a voltage is produced, and if there is a complete loop, a current will flow. The volume covers nuclear physics and basic technology, nuclear station design, nuclear station operation, and nuclear safety. The only difference between these thermal power stations is the fuel, coal, oil, biomass, nuclear fuel,the earths heat, even water heated by the sun.
Physicists study the natural universe and try to uncover why objects exist and behave as. If you are going to memorise one sentence for your exams thats a good one, as it usually carries three marks in an explanation of a power station. Hinckley point is in somerset, a major agricultural area of the uk. This is an interactive lesson on nuclear power and nuclear power stations. The animation below shows how electricity is generated in a nuclear power station. Electricity travels along wires to the national grid.
Generating electricity scool, the revision website. That is the general idea of a crossword incase you forgot. Electricity is a very useful form of energy because it can be used to do so many different things and electrical energy is easily transmitted over long distances. Around % of electricity currently comes from nuclear reactors, and there are plans to build more in the future because the fuel plutonium and uranium will not run out for a very long time, despite the high risk of extremely. Power is defined as the rate of transfer of energy. Resources compared fossil fuels and nuclear power gcse. Download guide for authors in pdf aims and scope nuclear physics b focuses on the domain of high energy physics, quantum field theory, statistical systems, and mathematical physics, and includes four main sections. Physics conventional power stations aqa electrical energy is amongst the subjects studied in gcse science. Nuclear and coal fired power stations are run all the time because they take the longest time to start up. These will include types of power stations but also smaller scale options like solar. Jun 12, 2015 7 in 20, the uk government decided to build another nuclear power station at hinckley point.
To help you revise, weve created this fun physics quiz based on aqas syllabus a. The video below shows how a coal fired power station works. I hope you didnt forget becsue for some reason i have to right a description for the people who dont know what a crossword is, i wish you luck in the future. As is implied by the equation for power, a unit of power is equivalent to a unit of work divided by a unit of time. The moderator slows the neutrons down so they interact more strongly with the uranium235 nuclei. As a part of gcse science, year 10 and year 11 students look at electrical energy. A nuclear power station the animation below shows how electricity is generated in a nuclear power station. Most core science gcse syllabi have a section on understanding our choices we have when selecting power stations.
A free powerpoint ppt presentation displayed as a flash slide show on id. Nuclear power is a very controversial method of generating electricity due to some of its massive disadvantages. A substance contains the radioactive isotope 23892 u, which emits alpha radiation. Energy resources and energy transfer c work and power know and use the relationship between work, force and distance moved in the direction of the force. Ppt aqa gcse 1a4 generating electricity powerpoint. Nuclear power stations gcse physics revision youtube.
Gcse physics radioactivity high demand questions questionsheet 6 a source, which emits beta radiation, is used in a factory to control thickness of sheet metal as it is being rolled. Fission means to split so during the process of nuclear fission atomic nuclei split. Fossil fuels fossil fuels and nuclear power gcse physics single. Gcse physics equations a summary sheet of the physics equations in the gcse syllabus. Providing study notes, tips, and practice questions for students preparing for their o level or upper secondary examinations. What happens to the weight of a space shuttle as it gets further away from the surface of the earth. The heating is done by burning fuels, or using other heat sources.
Nuclear power stations and coalfired power stations usually produce the minimum level of electricity required by the. Gcse physics revision science section covering nuclear energy, uranium, fission, nuclear fuel, nuclear power stations, atoms, chain reactions, nuclear fusion and half life and decay. Nuclear power plants mechanical engineering multiple choice questions answers. Jun 04, 2017 gcse science physics 91 radioactivity. The steam makes the turbine spin which drives a generator. Nuclear power fossil fuels and nuclear power gcse physics. Current is represented by the symbol, i current is measured in amperes amps or a with an ammeter one amp is equal to the flow of one. Power stations burn coal, oil or gas to produce heat. We mustcarefully consider the advantages anddisadvantages of using each energy sourcebefore deciding which energy sources itwould be best to use in any particularsituation. This is the website for both students and teachers of physics whether studied as a single subject or as part of a combined science course. Radioactivity was discovered by henri becquerel in 1896, when he noticed fogging of photographic plates that were placed in a drawer in close contact with uranium salts.
Nuclear engineers are responsible for the safe running of nuclear power stations. Nuclear physics is the field of physics that studies the constituents protons and neutrons and interactions of atomic nuclei. National 5 physics electricity and energy problems booklet. Demonstrate understanding of atomic and nuclear physics. Aqa gcse physics 27 nuclear physics 1 aqa gcse physics 2 7nuclear physics. Gcse physics unit 1a physics energy and electricity. Each chapter is independent but with the necessary technical overlap to provide a complete work on the safe and economic design and operation of nuclear power stations. Learn about and revise nuclear fission, nuclear fusion and how energy is released from these processes with gcse bitesize physics. Nuclear science and materials bsc university of birmingham.
Apr 23, 2010 a substance contains the radioactive isotope 23892 u, which emits alpha radiation. One aspect of this is how conventional fuel burning power stations and nuclear power stations both work. The product nucleus x emits beta radiation and forms a nucleus y. Tips and notes for english, general paper, and composition writing are also provided. You may need to relocate for work, as many power stations are in remote areas. Multiplechoice questions to test how well you recall facts. Label and explain the functions of the different parts of the reactor vessel. How many protons and how many neutrons are present in. There are three types of question for each topic to thoroughly test and reinforce understanding. Free gcse physics revision app practice questions gojimo.
Nuclear power the main nuclear fuels are uranium and plutonium. Power stations fuelled by fossil fuels or nuclear fuels are reliable sources of energy, meaning they can provide power whenever it is needed. This is one of six quizzes on that particular topic and it looks at how conventional fuel burning power stations and nuclear power stations both work. Current is measured in amperes amps or a with an ammeter. About threequarters of the electricity generated in the uk comes from power stations.
In france, nuclear power supplies 80% of the countries electricity. Neutrons and protons have different masses when they arent in a nucleus the difference in the sum of the mass is called the mass defect. The plum pudding model of the atom was proposed by j. Conventional current flows from positive to negative although conventional current doesnt really exist. Two common substances used for fission are uranium235 and plutonium239.
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