Unit 2《The Environment》Word power教案4（譯林版必修5）

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111 Unit 2 The environment Period 4 Word Power Teaching aims l Help the students to build up vocabulary about environment. l Enable the students to use the vocabulary both orally and in writing. l Enable them to make a list of words with the prefix “eco” Teaching procedure Step 1 Warming-up Show the students a plastic bottle and a paper box. Ask the the following questions: l What does each of them made of? l Which one is friendly to the environment? Tell them the paper box is environmentally friendly. And I am an environmental- ly friendly person l If I am going to open an hotel, what kind of hotel will it look like? l What makes it special? Step 2 Reading Get them to read the short passage in part A. And guess the meaning of the words. ecotourist ecosystem Solar energy Fossil fuel Eco-friendly Tourist who does not harm the environment energy from the sun fuels like coal, oil and natural gas ect. Being no harmful to the environment Environment in which humans and animals are living in Step 3 Talk about the pictures 1. Ask the students to look at the pictures. Work in groups and then answer the questions. n What can you see in the picture? n What is the problem does the picture want to show us? 2. Ask some students to talk about the pictures. And then use the correct compound nouns in the box to label the pictures below. Give them explanation if necessary. Step 4. Have a try Ask the students to read the passage on page 27. Fill in the blanks with the words from the previous page. Answer: environmental ozone layer ecosystem solar energy Fossil fuels recycled pollution ecotourists Step 4 Vocabulary supplement Ask the student to work in groups. And ask them to write down words with the prefix “eco” as many as possible. The group finding the most will be the winner. Tell them they may use a dictionary. Possible answer: ecology eco-tourism eco-friendly ecosystem eco-balance Step 6 Homework Suppose you are newspaper reporter. You happen to see the scene shown in the pictures on page 26. Choose one to write a report on what you see and what you think about it. Comments: This lesson is to build up the students’ vocabulary on environment. It is better to provide more words concerning the environment to make the teaching process go more smoothly.. 111