(
课件网) Unit 4 The Earth Saihanba: turning desert into the forest 阅读拓展与跨学科项目课 （沪教版2024）七年级 上 Learning objectives 1 Lead in Pre-reading 3 While-reading Post-reading 5 Cross-curricular connection Project 7 Summary 2 4 6 8 Assessment 9 Homework 1 0 1 Learning objectives 3. Understand the difficulties met during the renovation process of Saihanba and the final results. 1. Learn the importance of air and wind. 2. Learn how Saihanba transformed from a desert into an oasis. After learning this lesson, you can: 4. Use the “fact file” to present a place faced or still facing a serious environmental problem and how to solve it. What is it It has no smell. It has no taste. But when the wind blows, You feel it on your face. It’s air. GUESS 2 Lead in When air flows over a warm surface, it heats up and rises. This leaves room for cooler air to flow in. The flowing air is _____. wind 2 Lead in What is it GUESS Air surrounds the Earth. All living things on Earth need air to survive. 空气环绕着地球。 地球上所有的生物都需要空气才能生存。 3 Cross-curricular connection Let’s read the poem about air and the text about wind. 3 Cross-curricular connection 3 Cross-curricular connection Rhymes /ra mz/ 押韵 What’s the feature of a poem Rules: It rhymes with the words at the end of the second and fourth line in the verse. What’s air like Air is useful is our life. What does “We need air to survive” mean What can we learn from the poem 3 Cross-curricular connection 3 Cross-curricular connection Why can clouds move What does “We need air to survive” mean What do you know about wind energy (1) Air has no _____ and no _____. (2) A kite or a plane _____ to stay in the sky. (3)“We need air to survive” means “air _____ us _____”. (4) The wind moves clouds across the sky, and sometimes these clouds bring in _____. (5) A(n) _____can tell us where the wind is blowing from. (6) _____ produce electricity for us. smell taste rides on the air keeps alive rain weathercock Windmills Complete the sentences below. 3 Cross-curricular connection Can you imagine a desert can turn into a forest 4 Pre-reading the location of Saihanba the meaning of Saihanba the coverage of trees the area of grassland the number and types of plants and animals there the disappearance of habitats people’s cutting down forests 3 Pre-reading What are likely to be mentioned in the video Prediction: Watch a video clip about Saihanba and learn about this beautiful forest park. Watch a video clip about Saihanba and match the numbers with the things you have got. 5 Post-reading Match the numbers with the things you have got. 5 Post-reading 1. the forest park a. nearly 1,000 2. grassland b. 80% 3. trees c. 94,000 hectares 4. plant species d. 15,000 hectares 5. animal species e. 70,000 hectares 6. forest coverage f. more than 600 7. a forest belt g. over 50 km long and 17 km wide 4 Pre-reading It means “beautiful highland”. Thanks ... ...
