w w Name ap eP m e tr .X Candidate Number w Centre Number om .c s er UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Subsidiary Level and Advanced Level 9702/02 PHYSICS Paper 2 May/June 2006 1 hour Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen in the spaces provided
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These solutions allow the breakdown of lipids surrounding the DNA such as the nuclear envelope and proteins that make up a cell membrane. A few minutes later‚ clumps of a white substance that looks like mucus can be seen. That mixture of DNA can be spooled with a stirring rod and pulled out of the solution. Design for procedure 1: Hypothesis –when DNA extraction buffer is added to a strawberry mixture
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Spoil the child Spoil the child is a short story written by Howard Fast in 1991 and is taking place on the American prairie. In our story we follow a family of four‚ father‚ mother‚ daughter and a younger son. The father went hunting in the morning‚ and when he does not come back in time‚ and they realise they are about to run out of water‚ they become restless and Dave goes off searching for his father. Dave finds his father killed and returns to the wagon where his mom and sister are awaiting
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water into steam to turn turbines‚ much like in power stations that produce energy from burning fossil fuels‚ except without the carbon dioxide emissions which contribute to the greenhouse effect and air pollution. The reactors use uranium rods as fuel and each rod can last for several years before needing to be replaced. The map on the right shows the locations of nuclear power stations in the UK‚ their generating capacity and anticipated closure dates. Natural uranium isn’t very radioactive‚ as it
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Nuclear power stations work in fossil fuel-burning stations‚ except that a "chain reaction" inside a nuclear reactor makes the heat instead.The reactor uses Uranium rods as fuel‚ and the heat is generated by nuclear fission: neutrons smash into the nucleus of the uranium atoms‚ which split roughly in half and release energy in the form of heat.Carbon dioxide gas or water is pumped through the reactor to take the heat away‚ this then heats water to make steam.The steam drives which drivegenerators
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Running Head: HYATT REGENCY COLLAPSE 1 From Hyatt to Rubble: An Architect’s Perspective Daniel Demland Kaplan University PR499-01 Bachelor’s Capstone in Professional Studies Instructor: Debra Elliot March 5‚ 2012 Running Head: HYATT REGENCY COLLAPSE Introduction of Author 2 At the age of seventeen‚ in January 1978‚ I walked into an Architect’s office at the opening of my apprenticeship‚ staring at still six more months before my high school graduation‚ but there I was exactly where
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putting up the American flag it waves yet there is no wind on the moon. Actually‚ the flag appears to be fluttering because it is hanging from a horizontal rod. This rod was thought of by NASA scientists before they brought it to the moon because NASA scientists were aware that the moon had no wind (Google Books‚ 2016). Without this horizontal rod‚ the flag would have just drooped down (Google Books‚ 2016). Also‚ when you look at it carefully‚ you notice that
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Nuclear power is made up of atoms that are constructed like a mini solar system. By the late 1950’s nuclear power was developed. There are two types of uranium in nuclear power‚ the u-238 and u-235. Nuclear power plants use a lot of water to cool the rods. They also boil water into steam. Nuclear power plants get the heat that’s needed to produce steam through a physical process called Fission. Fission is
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Welding Outline 1. History of Welding a. Welding can be traced back to the Bronze Ages‚ where pressure welding was first developed. b. The Egyptians were also one of the first to use pressure welding. c. The blacksmith of the middle ages was the one to bring forge welding into the world. d. Early types of welding were used for holding items together for some project. As for the blacksmith in the Middle Ages it was more for horse shoes or fixing iron material
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Attention Getter: There are currently 442 active nuclear power reactors worldwide according to the Nuclear Energy Institute. Of all of the reactors worldwide‚ 14 have been classified as accidents where the public has been exposed to radiation. The most devastating of these incidents was the core meltdown of reactor 4 at Chernobyl‚ better known as the Chernobyl disaster. Introduction: Today I am going to tell you 3 things about Chernobyl. * First‚ I am going to tell you what Chernobyl was
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