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课件网) Unit 7 The natural world Reading Activity 1: Free talk What ecosystems on earth do you know about What are they Which ecosystems do you think are the main ecosystems on earth Activity 2: Read and guess Some ecosystems are talking to us. Please guess what they are. Read the below sentences and guess what the ecosystems are. Try to read the sentences. Rainforests Coral reefs Grasslands Polar ice Oceans Wetlands Forests Activity 3: Skim and complete Today we will read an article about the three main ecosystems on earth. Look at the pictures and tell me what they are. Activity 3: Skim and complete Skim through the article and try to complete the table. around 71% of the earth’s surface about 70% of the earth’s oxygen the “heart” about 6% of the earth’s land area help make the water clean and prevent floods the “kidneys” nearly a third of the earth’s land area help clean the air the “lungs” Activity 4: Read and finish a, f, g c, e, i b, d, h Activity 5: Read and choose √ √ √ √ √ Activity 6: Introduce and present Imagine you are oceans/wetlands/forests. Use the first person to introduce yourself. Hi! I’m a forest. I make up nearly a third of the Earth’s land. I take in carbon dioxide and produce oxygen. I also trap pollution in my leaves to clean the air! People call me the “lungs” of the Earth. I’m home to countless plants and animals, and I work hard to keep the planet healthy. Activity 6: Introduce and present Imagine you are oceans/wetlands/forests. Use the first person to introduce yourself. Activity 7: Complete and learn surface is home to oxygen take in store role get rid of balance There are some new words in the article. Let's learn about their meanings according to the context. Activity 8: Watch, listen and think Please watch and listen carefully. Think about what the song wants to tell us.(To treat the earth kindly is to treat oneself kindly. ) Activity 9: Discuss and think Why are the three ecosystems important for the earth Think about the questions and leads a class discussion on how to get along well with nature. What are some of the non-living things in an ecosystem Are they important Give reasons. How do human activities affect the ecosystems Give an example. Activity 10: Write and present Choose an ecosystem they care about and make a speech or write an article on how to protect it. Work individually or in pairs to draft their speeches or articles, focusing on the importance of conservation areas and their personal suggestions. Present your work to the class, sharing your thoughts on environmental protection. Protect Our Forests Forests are Earth’s “lungs”. They make oxygen and give homes to many animals, like birds and squirrels. But forests are in danger. People cut down too many trees. Fires (from careless acts) and pollution also hurt them. How to help Save paper: Use both sides of your notebook paper. Recycle: Recycle old books and boxes to sa ... ...
