Living Science (Second Edition) Unit Test 2 8ʳ Making use of electricity S2 Science Test Unit 8ġ Making use of electricity Name:____________________________ ΰʳ ʳ ʳ α Time and Marks Class: ____________________________ Part A: 35 min / 100 marks Date: ____________________________ Parts A & B: 45 min / 120 marks Note: ʳ 1 Attempt ALL questions. 2 Write your answers in the spaces provided on the Answer Sheets. ʳ Part A (Level 1) A True or false questions (5 marks‚ 1 mark each) Study
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Title : How to reduce use of Electricity Introduction Electricity is a secondary source of energy. Primary sources of energy are oil‚ coal‚ uranium or the forces of nature. Energy is a source of usable power‚ needed for food production‚ transportation‚ heating‚ cooling‚ and lighting. The largest sources of energy in the world are oil (34%)‚ coal (26.5%)‚ and gas (20.9%)1‚ adding up to over 80% of global energy. These types of fuels are called fossil fuels because they are found in fossil
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Kevin Williams Project 1 The use of electricity and magnetism in transportation When Benjamin Franklin discovered electricity‚ it was probably one of the biggest discoveries known to mankind. Even though our dependence of electricity is a lot‚ however at the same time it’s easy to forget how dependent we actually are on it. Electricity always has and always will play a huge part in our everyday life. It’s hard to imagine humanity without it. When it comes to transportation‚ it is going to rewrite
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Electricity what is it? Electricity is also known as electrical energy which is the flow of moving electrons. Electrons are from atoms which have three different components with different charges. There are protons with a positive charge‚ neutrons with a neutral charge‚ and electrons with a negative charge. But the negatively charged electrons are useless if they don’t have a circuit to travel on. A circuit is a system that is made of three different components and they are: an energy source
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ELECTRICITY - A Secondary Energy Source A Secondary Source The Science of Electricity How Electricity is Generated/Made The Transformer - Moving Electricity Measuring Electricity energy calculator links page recent statistics A SECONDARY SOURCE Electricity is the flow of electrical power or charge. It is a secondary energy source which means that we get it from the conversion of other sources of energy‚ like coal‚ natural gas‚ oil‚ nuclear power and other natural sources‚ which are called primary
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Study Guide‚ Chapter 8: Production and Distribution of Electricity Essay Questions: 1. Where are the big electric power plants in your state and what type of fuel do they use1? What is the primary fuel source used overall in your state? Massachusetts hosts three liquefied natural gas import terminals‚ one at Everett and two offshore of Gloucester (my hometown). Massachusetts generated 68 percent of its electricity from natural gas and 11 percent from coal in 2011. http://www.eia
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ELECTRICITY MR.ROBINSON Electricity is the set of physical phenomena associated with the presence and flow of electric charge. Electricity gives a wide variety of well-known effects‚ such as lightning‚ static electricity‚ electromagnetic induction and the flow of electrical current. In addition‚ electricity permits the creation and reception of electromagnetic radiation such as radio waves. In electricity‚ charges produce electromagnetic fields which act
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dependent on electricity‚ it seems‚ virtually‚ impossible to think if we can ever live without it. When an hour or so of load-shedding‚ especially on a hot summer day‚ can make us fret and fume and curse the whole system‚ what would happen‚ if this great boon is taken away from us forever? The whole life would come to a grinding halt‚ forcing all of us to experience the dull‚ dark‚ boring and uneventful period of the stone-age. As a matter of fact‚ to conceive of a life without electricity is‚ virtually
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There are a number of independent power producers that contributes significantly in electricity generation in Pakistan. For years‚ the matter of balancing Pakistan ’s supply against the demand for electricity has remained a largely unresolved matter. Pakistan faces a significant An Overview of Electricity Sector In Pakistan challenge in revamping its network responsible for the supply of electricity. Due to an unrealistic power tariff‚ high inefficiencies‚ low payment recovery and the
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generate electricity‚ and some use nuclear power‚ but there is an increasing use of cleaner renewable sources such as solar‚ wind‚ wave and hydroelectric. Types of power generating plants Electricity can be generated using the kinetic energy of water‚ heat energy of the sun and coal‚ or from the nuclear energy released from the fission of nuclear fuel. Nuclear Power Plants Nuclear power plants work on the chemical process of fission. Nuclear reactors are used to generate electricity. Fission
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