- •English for biochemists английский язык для биохимиков
- •Содержание
- •Предисловие
- •Unit 1.
- •1. Read the text about different types of restaurants and translate it. You are what you eat
- •Vocabulary
- •2. Give Russian equivalents for the following words:
- •4. Are the following statements true or false? Correct the false ones.
- •5. Make a special diet for 3 types of people. Work out from the checklist the things you can and you can’t eat. Take care about all necessary vitamins and elements.
- •Обстоятельства времени, с которыми обычно употребляется Present Simple
- •Unit 2.
- •Read the text and translate. Fields of Chemistry
- •Vocabulary
- •2. Give English equivalents for these words.
- •3. Answer the questions.
- •4. Fill in the gaps with suitable words given below.
- •5. Translate the sentences from Russian into English.
- •6. Read the text without the dictionary and retell it in Russian:
- •7. Read and translate the following derivatives:
- •8. Translate into English История химии
- •9. Make a report or presentation about the famous chemist you know. Tell it to your group and vote for the most interesting report/ presentation. Past Indefinite (Simple) Tense
- •Обстоятельства времени, указывающие на время Past Simple
- •Exercises
- •1. Read the whole text about biology and translate.
- •Vocabulary
- •6. Translate the sentences from Russian into English:
- •7. Match the sentence halves. Make complete sentences:
- •8. Answer the questions:
- •9. Find English equivalents to the following word combinations:
- •Обстоятельства времени, указывающие на время Future Simple
- •Обратите внимание!
- •Exercises
- •1. Read the text about biochemistry and translate it. Biological chemistry
- •Vocabulary
- •2. Fill in the gaps in this sentences:
- •7. Translate into English using the proper degrees of the words in bold type.
- •Present Progressive (Continuous) Tense
- •Обстоятельства времени, указывающие на время Present Progressive Tense
- •Exercises
- •Aids/ hiv
- •1. Read the following text and translate. Basic things about aids and hiv
- •Vocabulary
- •2. Change the Russian words into the English using the correct forms. Use proper articles if necessary.
- •3. Translate the following sentences paying attention to the words in italic.
- •4. Answer the following questions according to the sense of the text.
- •5. Find the propriet definitions to the following words.
- •Past Continuous Tense
- •Обстоятельства времени, указывающие на время Past Progressive Tense
- •Exercises
- •1. Read and translate the text. Water is the most abundant substance
- •Vocabulary
- •2. Answer the questions
- •3. Make a report “Why is water so important?” Future Continuous Tense
- •Обстоятельства времени, указывающие на время Future Continuous Tense
- •Exercises
- •1. Read the text and translate it. A devastating disease
- •Vocabulary
- •2. Complete the sentences using the words from the vocabulary list.
- •3. Find Russian equivalents to these English word-combinations.
- •4. Answer the questions according to the sense of the text.
- •5. Are the following sentences true or false? Correct the false statements if any.
- •6. Put the words in the correct order to make sentences or questions.
- •8. Read this article and translate it. Pay attention to the underlined phrases and correct the word order. Sunshine may prevent cancer
- •9. Match the following synonyms from the article:
- •Present Perfect Tense
- •Обстоятельства времени, указывающие на время Present Perfect Tense
- •Exercises
- •1. Read and translate the text about cloning. Cloning and concerns about it
- •Vocabulary
- •2. Translate into English.
- •3. Fill in the gaps in these sentences according to the text you’ve read:
- •4. A) Make sentences in Russian with the words from vocabulary and give them to your partner to translate into English.
- •5. Make 10 questions on the text.
- •6. Read interesting facts about cloning, discuss them and find your own. Did you know…?
- •7. Talk with your partner(s) about cloning the people / animals in the table. What are the pros and cons of each?
- •9. Do we have a right to clone dead people? What if they didn’t want to be cloned? Make a report/essay on this topic.
- •10. Study the example of the official letter. Make a conclusion about the rules of letter writing.
- •11. Write your own formal (official) letter.
- •12. Role Play Game.
- •Past Perfect Tense
- •Обстоятельства времени, указывающие на время Past Perfect Tense
- •Exercises
- •Elements and Compounds
- •Vocabulary
- •1. Ask three questions to each of the passages. Let your group mates answer them.
- •2. Retell the text.
- •3. Give brief characteristics of the elements that you have met in the text.
- •Modal Verbs
- •Модальный глагол Can (эквивалент to be able to)
- •Модальный глагол Should
- •Модальный глагол May/Might (эквивалент to be allowed to)
- •Модальный глагол Must (эквивалент to have to)
- •Модальный глагол Ought
- •Модальный глагол Need
- •Exercises
- •Методические указания к выполнению аннотирования
- •The Plan of Rendering Newspaper Article
- •Союзы и коннекторы:
- •Advanced Chemistry Projects – Corrosion
- •18 February 2016 “Telegraph”
- •Список использованной литературы
- •Душкова Александра Михайловна English for biochemists: Английский язык для биохимиков
Advanced Chemistry Projects – Corrosion
18 February 2016 “Telegraph”
Corrosion is important to the economy of every country as also to the world. It is widely studied as bridges and buildings uses iron supports. Untreated iron would collapse and lead to loss of both, life and economy. At the K-11or K-12 grades the study of corrosion is dealt using electrochemical principles. A project based on quantitation of oxygen in the formation of ferric oxide is suggested.
Corrosion is the process wherein a metal is oxidized by loss of electrons to more electronegative elements like oxygen, sulfur etc. With the formation of metal sulfides and oxides. Corrosion of iron occurs primarily in the presence of moisture and oxygen. It is an electrochemical phenomena where iron acts as an anode and oxygen as cathode.
In the process of corrosion, iron gets oxidized to ferric oxide. Hence an informative study would entail, tracking the consumption of oxygen. Weigh a known amount of iron filings or iron wire and place it in a netted bag. Place this in a measuring cylinder. In a beaker containing a known volume of water invert a measuring cylinder containing one third the volume of water. The height of the water in the empty measuring cylinder rises till the point where there is air trapped. Note this volume of air. Similarly, placing the netted bag containing iron filings in the measuring cylinder, filled one third with water and invert it into a beaker containing the same volume of water. Note the volume of air trapped. As rust begins to form and oxygen is utilized the water level in the measuring cylinder rises. The process of rusting may take a maximum of three to four days at 30oC. The experiment at the K-11 or K-12 grade can be made more quantitative by calculating the amount of oxygen that has combined with the iron filings. The rust formed is weighed. From the weight of the iron oxide formed, the amount of oxygen that has combined with the given amount of iron filings can be determined. From the volume change of the water level, the amount of oxygen utilized can be approximated.
Thus the first part of the project on corrosion would throw light on the oxygen consumption in the formation of rust. A further step ahead would be to determine the oxygen consumption and formation of rust under different pH conditions. Similarly, presence of electrolytes that would expedite the formation of rust can also be studied.
Hayley Birch
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