Howard dodd has worked as an alevel physics principal examiner writing exam papers and supervising marking for over twenty years being employed by ocr, aqa and edexcel. Ask students to use the resource on bbc bitesize to calculate primary and secondary voltages resulting from the number of coils on the transformer ar10. Energy gcse gorillaphysics gcse and a level physics revision. A physics revision video about the different ways of generating electricity. For example, if each of the circuits on this page used the same type of cell and same type of lampthe circuit below would light one lamp for 12 hoursthe circuit below would light two lamps for 6 hoursand the circuit below would light three lamps for 4 hours. The steam produced drives a turbinethat is coupled to an electrical generator. Each chapter contains core material valid for all syllabuses. The heating is done by burning fuels, or using other heat sources.
Amongst other things, year 10 and year 11 students should be able to calculate the current, charge and power in electrical circuits and know how these affect efficiency. Physics gcse revision section of revision science looking at how power is generated and added to the national grid. Most power stations work in the same way, we call them thermal power stations. It can be easy, particularly if you get the main terms right. Powerpoint and complementary workbook to cover mains electricity, acdc, oscilloscopes, plugs, fuses and electric safety. When you have completed this course, you will be able to. A free powerpoint ppt presentation displayed as a flash slide show on id. Fossil fuels, nuclear power, geothermal energy and biomass are all used to boil water to make steam which turns a turbine. Gcse power stations outstanding resources teaching resources. Ppt aqa gcse 1a4 generating electricity powerpoint.
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. Revise and have fun by playing this great interactive quiz. Doc browns edexcel gcse sciencephysics revision notes study notes edexcel gcse science gcse physics unit p1 universal physics. Work and power work is done when a force causes an object to move in the direction of the force. Power stations generate significant heat losses to the environment. 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. Most core science gcse syllabi have a section on understanding our choices we have when selecting power stations.
The first figure or page number always refers to the gcse physics book. Units used current reading previous reading 8459 7711 748 cost units used x unit price 748 x 9. Electricity is sent through the national grid cables at 400,000v, 275,000v and 2,000v. Gravitational potential energy this is the energy an object gains when it is lifted up in a gravitational field, it is measured in joules j. Gcse physics energy questions and answers exam papers plus. This quiz includes the topics on work, energy and power.
This is an energy transfer diagram for the generation of electricity from a fossil fuel such as coal. Creating currents you can see that any current in a magnetic field will produce a force, which may make something move. Our resources provide you with creative teaching ideas and activities for your science class. You find some way of heating water, to make steam to turn a turbine, which turns a generator. Energy sources for power stationsenergy sources used to generate electricity in power stations. Work, energy, power mit opencourseware free online.
Power has many uses in everyday language, but in physics, power specifically means the rate at which work is done. Coal mainly carbon, crude oil certain hydrocarbon fractions, natural gas mainly methane and nuclear. Outstanding power station resources for all types of students. Aqa gcse physics student book sample chapter by collins issuu. These are historically, and to the present day, the major energy sources for large power stations. You are going to come across a huge number of new concepts and ideas that you are going to have to be fluent at explaining and applying to new contexts. These will include types of power stations but also smaller scale options like solar cells, or diesel generators. A fantastic set of resources for any power station lesson.
Nuclear power stations are like fossil fuel power stations, but instead of burning fuel they use nuclear fisson, to transfer energy as heat. Heres a quick video i made when i was out and about on my bike in the loire. About threequarters of the electricity generated in the uk comes from power stations. Power is defined as the rate of transfer of energy. An atom consists of protons positive, neutrons neutral, and electrons negative. Gcse physics is going to be one of the most demanding subjects for you. For this reason, we use standard circuit diagram symbols so that everyone will know what is meant when someone draws a. Electricity topic student checklist r a g e draw and interpret circuit diagrams, including all common circuit symbols define electric current as the rate of flow of electrical charge around a closed circuit calculate charge and current by recalling and applying the formula. Further topics at the end can be selected to provide the right mix of pages for the syllabus. Electricity generation gcse gorillaphysics gcse and a. The two terms are related, but they are not the same thing. Complete physics covers all syllabuses due to a unique combination of core pages and further topics.
Our households are full of domestic appliances, such as washing machines and vacuum cleaners, but do you understand how they receive power. Energy resources most of the energy we use is obtained from fossil fuels coal, oil and natural gas. Resources compared fossil fuels and nuclear power gcse. Every day, the sun comes out and we can indefinitely use its. Power stations generating electricity wjec gcse physics. General physics on a windy day this wind turbine generates 2000 kw of electricity. Different components have different resistance patterns which can be found from comparing the voltage and current across the component.
So, if two forces each do 10 j of work, but force f 1 does this work in 1 minute while f 2 does it in two minutes, f 1 has more power because it did the same work in less time power is represented by the capital letter p, and is measured in watts, w note that the symbol. To turn the generators we connect them to turbines. 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. Generating electricity thermal power station physics. Understand how energy can travel and transfer from one form to another calculate the efficiency of a machine or process calculate the gravitational potential energy and kinetic energy of a body work out the maximum speed of a falling body understand the term work done and how forces can do. Power is a word people muddle up with energy and with good reason. 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. How does a power station generate electricity some power stations use a primary energy source to heat water. Gcse revision notes physics revision notes electricity 1. Power stations and the national grid exam question. The uranium fuel rods are inserted into a large mass of moderator and are arrange in the reactor core to form the fuel assembly. He has taught alevel physics in a number of secondary schools, maintained and independent, and has extensive experience of leading very successful physics and science departments. Comparison of methods of generating electricity gcse physics revision notes energy 6.
Gorillaphysics, gcse physics revison, a level physics revision, exam practice, experiments. Aqa gcse 91 physics student book helps to develop the skills. It was written especially to help year 10 and year 11 pupils revise. If you would like to download a resource then click on the relevant attachment at the bottom of the page. This is a resource designed to meet specification points for the new aqa gcse physics module on energy.
The video below shows how a coal fired power station works. 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. Once supplies of these fuels have been used up they cannot be replaced. Learn how we generate electricity and the environmental impact of electricity generation. Draw the voltagecurrent graphs for a resistor, filament lamp. Teaching energy the new approach teaching energy the new way with stores emptying and filling via pathways has caused lots of confusion.
Transfer of energy the student in the picture below is having a lot of fun. Pearson edexcel level 1level 2 gcse 9 1 in physics 1ph0. Current, voltage and resistances the main problem with electricity is that everyone uses it all the time, so they think they know how it works already. Nuclear power generating electricity wjec gcse physics. Tutorials, tips and advice on gcse physics coursework and exams for students, parents and teachers.
Ks4gcse physics teaching resources teachit science. If youre a subscriber, you can adapt them to make them perfect for your students and your teaching objectives have a look at some of our handpicked resources for ks4 through to ks4 physics. The power ratings of appliances are measured in watts w or kilowatts kw. Nuclear power stations gcse physics revision youtube. We use different energy resources to turn the turbines. Electricity generation gcse gorillaphysics gcse and a level. A student suggests replacing a coal power station with solar panels on the same site. Gcse gorillaphysics gcse and a level physics revision. Fossil fuels fossil fuels and nuclear power gcse physics single. The site is particularly useful for those in the uk studying gcse physics and a level physics. More on series and parallel circuits, circuit diagrams, measurements and calculations gcse physics revision. That is the general idea of a crossword incase you forgot. Stephen pople, one of todays most respected science authors, has created a totally new physics book to prepare students for examinations.
Work is only done by that part of a force in the same axis as the displacement of the object. Gcse electricity revise household and domestic power. Renewable sources of energy, just like it sounds, are resources that theoretically can be used for ever if used at a rate which is consistent with the rate in which it is replenished. The more components connected in parallel, the more energy is used.
The national grid power supply, environmental issues, use of transformers gcse physics revision notes. In the diagram above we show the battery as a rectangle with two connections at either end. The national grid distributes electricity throughout the country. Calculate the units used and the cost from the electricity bill below. Let mr thornton simplify how generating electricity in a thermal power station works its easy when you know how. One topic looked at in gcse physics is electricity. Now, whilst it might resemble some types of battery it does not resemble all types of battery and not everyone will recognise it is a battery. The quiz is consisting of 15 multiplechoice items, which are all conceptual. In this blog i hope to clarify why the changes have been made and how to teach using the new model. What is the formula relating voltage, resitance and current.
This contains cooperative learning, kagan, card sorts, active learning and independent learning. The rise in the earth average temperature dramatically over the last 100 years. To make lifting water from a well much easier, a long handle 50 cm is attached to the axle around which the rope is wound, as shown below. Gcse physics shorts physics topics in under a minute. A secondary education revision video to help you pass your science gcse. Power stations turning a generator produces electricity.
Nuclear power stations and coal fired power stations usually produce the minimum level of electricity required by the. The current in each branch will add up to the total current through the battery. Generating electricity scool, the revision website. Current this is a measure of the flow of electrons around a circuit measured in amperes or amps a voltage this is a measure of how much energy the electrons are carrying. Physics energy energy resources and power stations. Electricity can flow either as direct or alternating current, and is used in homes to power electrical appliances. 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. A power station converts a primary energy source into electricity.
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