Tutorials, tips and advice on gcse physics coursework and exams for students, parents and teachers. The video below shows how a coal fired power station works. 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. Stuart lloyd tony forsythe jonny friend jen randall series editor. How is the reaction in a nuclear reactor controlled.
The two terms are related, but they are not the same thing. Nuclear fission nuclear power produces energy that is converted into electrical energy in nuclear power stations. Current is measured in amperes amps or a with an ammeter. It includes a market place circus activity and a class debate. To do a degree, you will usually need five gcses ac, including maths. 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. Nuclear physics is the field of physics that studies the constituents protons and neutrons and interactions of atomic nuclei.
Physicists study the natural universe and try to uncover why objects exist and behave as. Nuclear physics the best o level revision resource. Tips and notes for english, general paper, and composition writing are also provided. Nuclear power stations create waste, some of which remains dangerous for. Worksheet nuclear power stations teaching resources. 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. Nuclear power stations gcse physics revision youtube. The heating is done by burning fuels, or using other heat sources. 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. It is considered to be the worst nuclear power plant disaster in history as the chain reaction went out of control.
Yr 9 work power energy revision potential energy power. The steam produced drives a turbinethat is coupled to an electrical generator. Demonstrate understanding of atomic and nuclear physics. With more than 60 years experience in teaching the physics of nuclear reactors. 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. Nuclear power the main nuclear fuels are uranium and plutonium. As a part of gcse science, year 10 and year 11 students look at electrical energy. You may need to relocate for work, as many power stations are in remote areas. When the fossil fuel is natural gas, some power stations dont boil water to make steam.
Nuclear power stations create waste, some of which remains. Nuclear fission is when a large nucleus splits up into two lighter nuclei, this releases energy. Conventional current flows from positive to negative although conventional current doesnt really exist. 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. For maths and english gcse equivalency the student must offer maths and english. Apr 23, 2010 a substance contains the radioactive isotope 23892 u, which emits alpha radiation. Nuclear and coal fired power stations are run all the time because they take the longest time to start up. Nuclear power stations and coalfired power stations usually produce the minimum level of electricity required by the. There are three types of question for each topic to thoroughly test and reinforce understanding. Advantages and disadvantages of nuclear power stations.
This process releases energy, which can be used to heat water and turn it into steam. That is the general idea of a crossword incase you forgot. Jun 04, 2017 gcse science physics 91 radioactivity. Instead a process called nuclear fission takes place. Carbon14 has a half life of 5570 years because it stopped being produced when the object died the radioactive exponentially decreases over time. Label and explain the functions of the different parts of the reactor vessel. The plum pudding model of the atom was proposed by j.
During nuclear fission a neutron is fired at a uranium atom. 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. The product nucleus x emits beta radiation and forms a nucleus y. The term thermal power plant is used since fuel is burnt to produce heat energy which is converted into electrical energy. Generating electricity gcserevision, physics, electricity. 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. Resources compared fossil fuels and nuclear power gcse. These will include types of power stations but also smaller scale options like solar. This will be the third nuclear power station at the site. The steam makes the turbine spin which drives a generator. Energy and electricity ks4 all our key stage 4 science teaching resources. Generating electricity scool, the revision website. 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.
Gcse power stations conventional and nuclear revision. Learn about and revise nuclear fission, nuclear fusion and how energy is released from these processes with gcse bitesize physics. 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. Current electricity is a flow of charged particles. A summary sheet of the physics equations in the gcse syllabus. Nuclear engineers are responsible for the safe running of nuclear power stations. One aspect of this is how conventional fuel burning power stations and nuclear power stations both work.
Electricity generation gcse gorillaphysics gcse and a level. The neutron is absorbed, which makes the atom extremely unstable so it splits into two smaller atoms, releasing more neutrons and a huge. Gcse physics equations a summary sheet of the physics equations in the gcse syllabus. 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. New classroom physics science poster mathematik, physik, optik gcse physics. 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. Electricity travels along wires to the national grid. 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. Multiplechoice questions to test how well you recall facts. Nuclear power produces energy that is converted into electrical energy in nuclear power stations.
Nuclear power generating electricity wjec gcse physics. In a nuclear power station, nuclear fuel undergoes a controlled chain reaction in the reactor to produce heat nuclear energy is. 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. We use different energy resources to turn the turbines. Hinckley point is in somerset, a major agricultural area of the uk. A nuclear power station the animation below shows how electricity is generated in a nuclear power station. 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. Aqa gcse physics 27 nuclear physics 1 aqa gcse physics 2 7nuclear physics. Nuclear science and materials bsc university of birmingham. Some power stations use a primary energy source to heat water. In france, nuclear power supplies 80% of the countries electricity. Heres a quick video i made when i was out and about on my bike in the loire.
Nuclear power is a very controversial method of generating electricity due to some of its massive disadvantages. How does a power station generate electricity some power stations use a primary energy source to heat water. The animation below shows how electricity is generated in a nuclear power station. 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. The site is particularly useful for those in the uk studying gcse physics and a level physics. To help you revise, weve created this fun physics quiz based on aqas syllabus a. In the early hours of the 26 th april 1986, one of the four nuclear reactors at chernobyl exploded in ukraine. About threequarters of the electricity generated in the uk comes from power stations. Emissions radioactivity is simply the spontaneous disintegration of nuclei as they move from an unstable state to a stable one. Two common substances used for fission are uranium235 and plutonium239.
Creating currents you can see that any current in a magnetic field will produce a force, which may make something move. The moderator slows the neutrons down so they interact more strongly with the uranium235 nuclei. Nuclear engineer explore careers national careers service. This is caused by the binding energy the energy required to remove a nucleon from a nucleus as the strong force must be. 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. Oct 31, 2016 most core science gcse syllabi have a section on understanding our choices we have when selecting power stations. Power is a word people muddle up with energy and with good reason. Providing study notes, tips, and practice questions for students preparing for their o level or upper secondary examinations. Free gcse physics revision app practice questions gojimo. Work and power work is done when a force causes an object to move in the direction of the force. Jun 12, 2015 7 in 20, the uk government decided to build another nuclear power station at hinckley point. Power stations turning a generator produces electricity.
Fission reactors nuclear fission and fusion aqa gcse. 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. Ppt aqa gcse 1a4 generating electricity powerpoint. Jun 22, 2016 this is an interactive lesson on nuclear power and nuclear power stations. Click here to buy physics books for your gcse or a level and support. To turn the generators we connect them to turbines. 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. A power station converts a primary energy source into electricity.
The volume covers nuclear physics and basic technology, nuclear station design, nuclear station operation, and nuclear safety. Carbon14 dating uses the radioactive properties of carbon14 to date old living matter like bones or wood. National 5 physics electricity and energy problems booklet. Fission reactors nuclear power edexcel gcse physics. 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. Its renewable, no green house gases, individually it dosent produce a lot of power. This gcse physics quiz on radioactivity takes a look at nuclear fission. Power is defined as the rate of transfer of energy. A free powerpoint ppt presentation displayed as a flash slide show on id.
Each chapter is independent but with the necessary technical overlap to provide a complete work on the safe and economic design and operation of. This is an interactive lesson on nuclear power and 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. A substance contains the radioactive isotope 23892 u, which emits alpha radiation.
What happens to the weight of a space shuttle as it gets further away from the surface of the earth. Fossil fuels, nuclear power, geothermal energy and biomass are all used to boil water to make steam which turns a turbine. Fossil fuels fossil fuels and nuclear power gcse physics single. 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. Nuclear power plants mechanical engineering multiple choice questions answers. Gcse radioactivity revise the reaction of nuclear fission. You can find notes and exam questions for additional math, elementary math, physics, biology and chemistry. Radioactivity, nuclear physics from alevel physics tutor. Nuclear power advantages and disadvantages table in gcse.
Power stations fuelled by fossil fuels or nuclear fuels are reliable sources of energy, meaning they can provide power whenever it is needed. Physics conventional power stations aqa electrical energy is amongst the subjects studied in gcse science. 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. Most core science gcse syllabi have a section on understanding our choices we have when selecting power stations. Various energy sources can be used togenerate the electricity we need. Transfer of energy the student in the picture below is having a lot of fun. Nuclear power fossil fuels and nuclear power gcse physics. The heat produced by fission heats water, producing steam, which turns a turbine, driving a generator.
We mustcarefully consider the advantages anddisadvantages of using each energy sourcebefore deciding which energy sources itwould be best to use in any particularsituation. Ppt aqa gcse physics 27 nuclear physics powerpoint. Power stations burn coal, oil or gas to produce heat. Gcse physics how does a power station generate electricity. Electricity generation gcse gorillaphysics gcse and a. Students will frequently assume that nuclear power stations are highly dangerous, while ignoring the more serious but gradual concerns associated with fossil. Gcse physics unit 1a physics energy and electricity. How many protons and how many neutrons are present in. 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.
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