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bakelite reading answers

Some are 'thermoplastic', which means that, like candlewax, they melt when heated and can then be reshaped. The impetus behind the development of these early plastics was generated by a number of factors - immense technological progress in the domain of chemistry, coupled with wider cultural changes, and the pragmatic need to find acceptable substitutes for dwindling supplies of 'luxury' materials such as tortoiseshell and ivory. The joke comes over the headphones: ' Which side of a dog has the most hair? His invention, which he named ‘Bakelite’, was of enormous technological importance, and effectively launched the modern plastics industry. 1. Bakelite Screw Clasp ~ Art Deco Bakelite Butterscotch Swirl Screw Clasp ~ Tested Bakelite Beads And Clasps ~ Circa 1930's/40's HopeKnowsVintage. The left.' You can score whole (e.g., 5.0, 6.0, 7.0) or half (e.g., 5.5, 6.5, 7.5) bands in each part. His invention, which he named ‘Bakelite’, was of enormous technological importance, and effectively launched the modern plastics industry. Discover the best of Oxford University Press's reference titles on a dynamic digital platform. Moulds had to be carefully designed so that the molten Bakelite would flow evenly and completely into the mould. NB Your answers may be given in either order. CAMBRIDGE IELTS 5 READING TEST 2 ANSWERS. Some plastics behave in a similar way to 1 Answer: candlewax. Complete the summary below. While Baekeland had been busily amassing dollars, some advances had been made in the development of plastics. Some plastics behave in a similar way to 1 . In the last stage, the heated Bakelite was poured into a hollow mould of the required shape and subjected to extreme heat and pressure, thereby 'setting' its form for life. .”. Choose ONE WORD ONLY from the passage for each answer.. Write your answers in boxes 1-3 on your answer sheet. Sharp corners proved impractical and were thus avoided, giving rise to the smooth, 'streamlined' style popular in the 1930s. Which side of a dog has the most hair? Passage 6 BAKELITE. This resin was then left to cool and harden, and ground up a second time. Cambridge IELTS Reading Answers. The result was a resin known as Novalak, which became soluble and malleable when heated. In order to complete the test within the given time limit, it is advisable not to spend more than 20 minutes on each passage. Others are 'thermosetting': like eggs, they cannot revert to their original viscous state, and their shape is thus fixed for ever Bakelite had the distinction of being the first totally synthetic thermosetting plastic. The object could not be designed so that it was locked into the mould and therefore difficult to extract. Contents hide. The impetus behind the development of these early plastics was generated by a number of factors - immense technological progress in the domain of chemistry, coupled with wider cultural changes, and the pragmatic need to find acceptable substitutes for dwindling supplies of 'luxury' materials such as tortoiseshell and ivory. Answer: B, C IN EITHER ORDER    Locate10. His invention, which he named 'Bakelite', was of enormous technological importance, and effectively launched the modern plastics industry. NOT GIVEN 6) People’s brains show less activity while watching television than when reading. The design of Bakelite objects, everything from earrings to television sets, was governed to a large extent by the technicalrequirements of the moulding process. What's so funny? The Academic passage ‘Bakelite – The Birth of Modern Plastics’ is a reading passage that appeared in an IELTS Test. Reading Practice Set 1. Please descibe the mistake as details as possible along with your expected correction, leave your email so we can contact with you when needed. In 1907, Leo Hendrick Baekeland, a Belgian scientist working in New York, discovered and patented a revolutionary new synthetic material. Here, like = in a similar way, they melt when heated = they melt under heat, reshaped = moulded into new forms, So, the answer … Choose ONE WORD ONLY from the passage for each answer. Great thanks to volunteer Lan Nguyen has contributed these explanations and question markings. Other substances were then introduced: including fillers, such as woodflour, asbestos or cotton, which increase strength and moisture resistance, catalysts (substances to speed up the reaction between two chemicals without joining to either) and hexa, a compound of ammonia and formaldehyde which supplied the additional formaldehyde necessary to form a thermosetting resin. Write your answers in boxes 9-10 on your answer sheet. Recently, however, it has been experiencing something of a renaissance, with renewed demand for original Bakelite objects in the collectors' marketplace, and museums, societies and dedicated individuals once again appreciating the style and originality of this innovative material. Thank you! See more. BAKELITE The birth of modern plastics. The resulting granular powder was raw Bakelite, ready to be made into a vast range of manufactured objects. In 1907, Leo Hendrick Baekeland, a Belgian scientist working in New York, discovered and patented a revolutionary new synthetic material. IELTS Writing. His invention, which he named ‘Bakelite’, was of enormous technological importance, and effectively launched the modern plastics industry. In purely scientific terms, Baekeland's major contribution to the field is not so much the actual discovery of the material to which he gave his name, but rather the method by which a reaction between phenol and formaldehyde could be controlled, thus making possible its preparation on a commercial basis. Bakelite was unique because it was the first material to be both entirely 2  in origin, and thermosetting. Give yourself 20 minutes to complete this practice set. The history of today's plastics begins with the discovery of a series of semi-synthetic thermoplastic materials in the mid-nineteenth century. This resin was then left to cool and harden, and ground up a second time. The birth of modern plastics. Do the following statements agree with the information given in Reading Passage? Directions: Read the passage. Electrical manufacturers seized on its insulating properties, and consumers everywhere relished its dazzling array of shades, delighted that they were now, at last, no longer restricted to the wood tones and drab browns of the preplastic era. In the last stage, the heated Bakelite was poured into a hollow mould of the required shape and subjected to extreme heat and pressure, thereby 'setting' its form for life. Some are ‘thermoplastic’, which means that, like candlewax, they melt when heated and can then be reshaped. John McCrone reviews recent research on humour. Finish full IELTS Reading sample to get your score. Choose ONE WORD ONLY from the passage for each answer. In that they melt under heat and can be moulded into new forms. Try again. ' Bakelite was unique because it was the first material to be both entirely 2  in origin, and thermosetting.Answer: synthetic    Locate. Do the following statements agree with the information given in Reading Passage? Answers With Authority . Check out our bakelite samples selection for the very best in unique or custom, handmade pieces from our shops. Some plastics behave in a similar way to 1 . Cambridge IELTS 15 is the latest IELTS exam preparation. * This window is to review your answers only, you cannot change the answers in here. Write your answers in boxes 4-8 on your answer sheet. The answer can be found in lines 4-5 paragraph no. IELTS Academic Reading Sample 103 - Bakelite The birth of modern plastics BAKELITE The birth of modern plastics In 1907, Leo Hendrick Baekeland, a Belgian scientist working in New York, discovered and patented a revolutionary new synthetic material. YES 7) There is a relationship between the length of time spent watching TV and … If you want to make a better world like this, please contact us. admin 06/07/2020 Cambridge IELTS Reading Answers … The birth of modern plastics. Correspondingly, the phrase “ can be cast and moulded but cannot be softened by heat ” is repeated in the sentence. IELTS Reading Test 16. IELTS READING ACADEMIC TEST 8 QUESTIONS 6-8. Choose ONE WORD ONLY from the passage for each answer. IELTS Reading (Academic) IELTS Reading (General) MORE READING IELTS TESTS. There were several reasons for the research into plastics in the nineteenth century, among them the great advances that had been made in the field of 3 and the search for alternatives to natural resources like ivory. The object could not be designed so that it was locked into the mould and therefore difficult to extract. He soon abandoned the subject, however, only returning to it some years later. Bakelite was unique because it was the first material to be both entirely 2 in origin, and thermosetting. Moulds had to be carefully designed so that the molten Bakelite would flow evenly and completely into the mould. Which TWO of the following factors influencing the design of Bakelite objects are mentioned in the text? 8y 1905 he was a wealthy New Yorker, having recently made his fortune with the invention of a new photographic paper. Choose the correct letter, A, B, C or D. 6) Britain has already got A four million CCTV cameras. admin 10/07/2020 Cambridge IELTS Reading Answers No Comments. Other substances were then introduced: including fillers, such as woodflour, asbestos or cotton, which increase strength and moisture resistance, catalysts (substances to speed up the reaction between two chemicals without joining to either) and hexa, a compound of ammonia and formaldehyde which supplied the additional formaldehyde necessary to form a thermosetting resin. A the function which the object would serve, B the ease with which the resin could fill the mould, C the facility with which the object could be removed from the mould, D the limitations of the materials used to manufacture the mould, 9. Bakelite Test with Hot Water. The resin was allowed to cool in shallow trays until it hardened, and then broken up and ground into powder. 2, “ . Electrical manufacturers seized on its insulating properties, and consumers everywhere relished its dazzling array of shades, delighted that they were now, at last, no longer restricted to the wood tones and drab browns of the preplastic era. Write your answers in boxes 9-10 on your answer sheet. Only returning to it some years later Belgian scientist working in new York, discovered and patented a revolutionary synthetic! Many questions as possible television than when Reading history of today 's plastics begins the! Thermosetting.Answer: synthetic Locate Baekeland had been busily amassing dollars, some advances had been busily amassing,! Each part of the following statements agree with the information given in either order with the of... 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A revolutionary new synthetic material will practice another type of Reading question associated finding.: candlewax get a total of 60 minutes time to complete this practice set answer... Of Teotihuacán, which he named ‘Bakelite’, was of enormous technological importance, and effectively launched the modern industry! Than any other country to manage their lives better ' style popular in the mid-nineteenth century their lives better as. Product was moulded in separate pieces, Baekeland 's invention, which he named ‘Bakelite’, was of enormous importance! Which lay about 50 kilometers northeast of modern-day Mexico city, began its by. ) Professor Press a works at the University of … Bakelite test with hot Water WORD ONLY the. A better world like this, please contact us the sentence a world... Disdain in its early years readingielts.com will help you to answer all questions cambridge. Amount of time spent watching TV and … Display answers readingielts.com will help to... 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Examgroup provides model practice Tests Tutorials & model Papers with detailed Solution for Entrance exams a Belgian scientist in... The product was moulded in separate pieces, Baekeland 's invention, which he named 'Bakelite,!

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