八年级英语下册 Unit 7 Know Our World lesson 38 The World Is a Big Place教案 （新版）冀教版 (2).doc

unit 7 know our world lesson 38 the world is a big placeteaching content:mastery words and expressions: land, europe, america, ocean, pacific, atlantic, indian, earth, surface, island, riveroral words and expressions: antarctica, the pacific ocean, the atlantic ocean, the indian ocean, arctic, the arctic ocean, greenland, northeast, nileteaching aims:1. learn more about the worlds geography.2. master the words and expressions of the continents and oceans in english.teaching important points: 1. the words and expressions in this lesson.2. know about the worlds physical features.teaching difficult points:some geography features in the world.teaching preparation: a map of the worldteaching aids: audiotape, flashcards, a map of the worldteaching procedure:step1. talk about the question: 1. where do you live? 2. do you like to live here? why?step2. come to “think about it”.1. which part of the world do you live in?2. what do you know about the place where you live?3. how many people are there in the world?step3. listening tasklisten and answer the following questions:1. how many people are there in the world?2. where do all the people live?3. how big are the worlds oceans?4. how many deserts does the world have?5. whats the worlds biggest island?6. whats the worlds longest river?step4. reading taskread the text and finish exercise 2 in activity book.1. scientists predict the worlds population will be _ by 2050. there will be 9.1 billion people by _.2. about _ of the world is land. the land that is very _ is called desert. the deserts cover _ of the earths surface.3. there are _ continents. they are _, _, _, _, north america, south america and antarctica. antarctica is the worlds _ and the worlds _ continent.4. there are _ main oceans. they cover _ of the worlds surface. they are _, _, _ and the arctic ocean. _ is the biggest ocean. _ is the smallest ocean.5. the worlds _ island is greenland.6. the nile river in africa is the _ river.step5. listen to the tape again and ask the students to imitate after it. step6. read the text again and talk about the details about the text.how many deserts does the world have? what are they? which is the second largest desert in the world?whats the worlds longest river? what is the second longest river? what is the third longest river? what are the physical features of them?step7. come to “lets do it”.prepare a dictionary before the class. when they meet new words, encourage them to look them