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The Aral Sea Disaster
| The Aral Sea Disaster Урок английского языка в 10 классе Цель урока: • Продолжить формирование лексических знаний по теме “ Environmental problems”. Задачи урока: • закрепить знания учащихся в использовании в речи изученного языкового материала: лексики по теме: “Environmental problems and their solutions ”, • закрепить знания учащихся в употребление, суффиксов существительных и прилагательных, условных предложений I типа, • развивать навыки работы с книгой, умения использовать ранее приобретенные знания для решения коммуникативных и познавательных задач, • воспитывать активность, умение работать индивидуально и в сотрудничестве с другими, уважение к себе и другим, бережное отношение к окружающему миру. Ресурсы: Интерактивная доска, презентация, раздаточный и дидактический материал, webfurnitura.ruvideo, English Английский язык: Учебник для 11 кл. естественно-мат. напр. общеобразовательных шк./ Т. Аяпова, З. Абилдаева и др. – 2-е изд., - Алматы: Мектеп, 2007. Ход урока 1.Org. moment: T: Good morning, boys and girls! Sit down, please! Who is on duty today? What date is it today? Who is absent today? How are you? (выбирают карточки красного или синего цвета, в зависимости от настроения – делятся на группы) Вводно-мотивационный этап Упражнение «Комплимент”. Для установления благоприятного психологического климата и дальнейшей коммуникации. Name the partner and tell him some good words or wishes. Example: “Dashа, You are so nice today.” 2.Brainstorming : Groups ask each other questions-riddles. Group 1: The astronauts say that from the height the rivers look like blood artery of a living organism. During WWII Odessa surgeons used water as a blood substitute. What water was it? Answer: It was seawater.( Marine). The correct answer. Why? Children give different answers. Give a chance to think at home and find the correct answer. (It is concentrated so-called biogenic substances, chemical and energy properties). Group 2: Why did whalers sometimes froze sea water and then remove the top layer of ice? Answer: To get fresh drinkable water (also very useful). T:Tell me, what theme unites these questions? – S:Water. Sea. T: Right. Today we will talk about the sea. What sea in Kazakhstan do you know? And what sea needs the special assistance? S: The Aral Sea. 3.The main part: Т: Open the textbook at page 49, Ex. 1. Answer the questions and find out the problems of the Aral Sea. S1: Shrinkage of the Aral Sea. S2: Health problems of the people of the area… Т: What do you think, what goals should we study at the today`s lesson? S: How to help the Aral Sea. 4.Т: Yes, all right. Well done! First of all we`ll remember the forming of the 1st conditional sentences. (Students explain the theme with help of memory map) Repeat what the conditional sentences of the first type express, what English tenses is used in the First conditionals. Write down the forms of the Present Simple and Future Simple in your notebook. ( Повторите, что выражает условные предложения первого типа (First Conditional), какие времена используютя в условных предложениях первого типа (First conditional). Запишите в тетради формы образования Present Simple и Future Simple). Т: Let`s train the 1st conditionals Very good! 5.Т: See the video and give your opinion using the 1st conditional sentences. 01ви:40Aral sea: the problem we need to see ,проблема арала Т: Now we play A game " chain". ( practice in using the 1st conditionals) Example: 1.If we take more water for irrigations from the Aral Sea it will reduce. 2. If it reduce the sea-bed will be a salt decert. 6.Т: Ex.3 at page49. Write down the verbs, nouns, adjectives from the text of ex.6,pg.50. Change your notebooks and check your friends` work according the key on the board. Т: Ex.2, pg.49. Give as many adjectives as possible which characterize the Aral Sea. 7. Game “ Fishbone” - Group 1 say about the problems of the Aral Sea, Group 2 say about the ways how we can solve this problems. Т: Good job! Thank you. 8. Т: Your homework: ex.18,pg.55 b- make up the report about the Aral Sea disaster. 9.Reflection. Teacher asks students to read the text. THE ARAL SEA The Aral Sea is one of the most ancient lakes on Earth, with a history of 3,500 years. It was also the fourth largest lake in the world until the late 1950s It is dying now. The sea has dropped by 16 metres and the water has become too salty. There are now three million hectares of land which were once covered by water. The climate has been affected and changed this land into desert The Amu Darya and Syr Darya rivers feed the Aral Sea. They travel through Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan and Turkmenistan. In the 1920s new irrigation technologies were introduced and larger-scale cotton cultivation was begun. Water from the rivers was diverted for agricultural and population needs. Until the 1950s, between 50 and 60 cubic kilometres of water reached the Aral Sea each year. Since the 1960s the Aral Sea has lost almost 75 per cent of its volume, and has shrunk to 50 per cent of its size. In some dry years in the 1980s no water flowed into the sea at all. The water has become over-salty and lost most of its natural plant and animal life. The low quality of water has caused many diseases. Annually thousands of tons of dust, sand and salt are taken into the atmosphere from the deserted floor of the Aral Sea and some of the particles are found as far away as Canada. National Geographic summed up the situation best by saying: 'It has never happened within the time frame of a single generation, the disappearance of such a large body of water.' 10.Т: Thank you for work. Your marks are… Our lesson is over. | |
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Суббота, 2024-04-20, 3:47 AM
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