课 题 8A Unit 7 The Natural World Welcome to the unit 备课时间 上课时间 主备教师 复备教师 第 课时 主 备 栏 复 备 栏 I. Teaching aims and learning objectives Students will be able to master the key vocabulary related to ecosystems, such as "rainforest", "coral reef", "grassland", "polar ice", "ecosystem", "climate", "rainfall" etc. Students will understand the basic sentence patterns used to describe ecosystems, for example, "Half of the world’s animals and plants live in rainforests." "Coral reefs look like rocks, but they support a lot of life in just a small area." II. Teaching main points Key vocabulary and sentence patterns related to ecosystems. Enable students to communicate about ecosystems using the learned language knowledge. III. Focus of the lesson and predicted area of difficulty Help students understand some abstract concepts about ecosystems, such as how different ecosystems maintain the balance of nature. Guide students to express their own ideas about ecosystems clearly and accurately in English. IV. Teaching procedures Step 1: Lead - in (5 minutes) Show some pictures of different natural sceneries, such as a lush rainforest, a vast grassland, a beautiful coral reef, and the icy polar region on the PPT. Then ask students: "Boys and girls, look at these pictures. What can you see Which one do you like best Why " Encourage several students to share their opinions. This activity can arouse students' interest in the topic of the natural world and lead in smoothly. Step 2: Presentation (15 minutes) Vocabulary teaching Present the new words about ecosystems one by one on the PPT. For each word, show its corresponding picture, pronunciation, and Chinese meaning. For example, when teaching "rainforest", show a picture of a rainforest full of tall trees and dense vegetation, and read the word aloud: / re nf r st/, and explain "热带雨林" in Chinese. Let students read the words after the teacher several times to ensure correct pronunciation. Use some simple sentences to help students understand the usage of new words. For instance, for "be home to", say "The Amazon rainforest is home to thousands of plants and animals." Let students open their books to the "Welcome to the unit" part. Show the four facts about different ecosystems on the PPT. Ask students to read these facts quickly and tick the ones they already know. Then, explain each fact in detail.For "Coral reefs look like rocks, but they support a lot of life in just a small area.", show more pictures of coral reefs and the various marine lives around them to help students understand how coral reefs support life. Step 3: Practice (15 minutes) Listening practice Play the recording of the dialogue between Kitty and David about ecosystems. Let students listen carefully and answer two simple questions on the PPT: "What ecosystems do Kitty and David talk about " and "What are the characteristics of these ecosystems " Speaking practice Students take turns to pick a card and start a conve ... ...
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