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课件网) Unit 7 The natural world Welcome to the unit 01 02 学习目标 03 To learn about different ecosystems and fun facts about them. To talk about ecosystems. To master some new words and phrases. What different types of ecosystems do you know Lead in Rainforest ecosystem Ocean ecosystem Look and say 新课讲授 Grassland ecosystem Polar ecosystem What fun facts about these ecosystems do you know Kitty is learning about ecosystems. Read the facts below with her and tick the ones you already know. Rainforests are home to over half of all the types of animals and plants on earth. Coral reefs look like rocks, but they support a lot of life in just a small area. Grasslands often lie between deserts and forests. The ice is home to animals like polar bears and penguins. 1 2 3 4 Presentation desert ecosystem wetland ecosystem What other ecosystems do you know What fun facts about them do you know Further thinking Fun facts about deserts Watch and learn Fun facts about wetlands Kitty and David are talking about ecosystems. Listen to the tape and fill in the table. Grasslands Deserts Climate It’s very dry with little 3._____. There’s huge difference in 4._____between day and night. Animals & plants Grasslands in different places are home to different animals, like 1._____ in Inner Mongolia, and 2._____ in Africa. 5._____ animals and plants can live there. The desert plants keep water in their 6._____, and many animals can get water from these plants. horses and cows lions and giraffes rain temperature Only a few leaves Listen and fill Kitty: Do you know anything about ecosystems, David David: I know that grasslands in different places are home to different animals. In Inner Mongolia, there are horses and cows, but in Africa, there are lions and giraffes. Kitty: Oh, really Do you know anything about deserts David: Well, it's very dry in deserts because there's little rain. And the difference in temperature between day and night is huge. Kitty: Yes, the climate in deserts is so awful that only a few animals and plants can live there. David: It's true. The desert plants keep water in their leaves, and many animals there get water from these plants. Listen and read Kitty: Do you know anything about ecosystems, David David: I know that grasslands in different places are home to different animals. In Inner Mongolia, there are horses and cows, but in Africa, there are lions and giraffes. Kitty: Oh, really Do you know anything about deserts David: Well, it's very dry in deserts because there's little rain. And the difference in temperature between day and night is huge. Kitty: Yes, the climate in deserts is so awful that only a few animals and plants can live there. David: It's true. The desert plants keep water in their leaves, and many animals there get water from these plants. Role-play Work in pairs and discuss the topic. Use the conversation below as a model. A: Do you know anything about ... B: l know ... ...
