Unit 5 课时2 Understanding ideas - Reading （课件）英语新教材外研版八年级下册

Understanding ideas Reading Unit 5 Looking into nature 理解文章主旨，掌握关键词汇和短语，并完成与文章相关的问题。（学习理解） 1 运用文章中的单词和表达填写图表，正确总结琥珀如何帮助我们了解地球上的生命历史。（应用实践） 2 思考并讨论其他了解自然奥秘的方式，并用英语清晰地表达自己的观点。（迁移创新） 3 学习目标 本节课结束时，学生将能够： This golden stone is amber. Lead in What do you think is inside it? What is this? We can find parts of old life. They help us learn about the past. What is the passage about? The process of how amber is formed and where in the world it can be found. B. It is about amber as a window on the past, which helps us discover and prove the secrets of nature. C. How to make amber and use it in daily life. Pre-reading What does the title mean? While-reading 被时间封存的秘密 How many parts can the passage be divided into? Three. While-reading Part 1 Part 2 Part 3 Match the idea with each part. Introduction Three Discoveries Conclusion They were near the top of a thirty-metre-high wall of rock. While-reading Read Para 1 and answer 1. What is the dinosaur doing in the ancient forest? It opens its mouth and raises its beautiful feather-covered arms. It is running around looking for its next meal. 2. What does the dinosaur do when it makes an angry cry? 1.What did people think dinosaurs looked like? They thought dinosaurs looked like huge lizards. While-reading 2.What did scientists find in the amber from Southeast Asia? They found the tail of a dinosaur with feathers. Read Para 2 and answer 1.What did scientists find in a piece of amber from Northern Europe? They found a flower. Read Para 3 and answer 2. What does the flower in amber prove? While-reading It proves that the flower grew in Northern Europe 35 million years ago. They were near the top of a thirty-metre-high wall of rock. While-reading Read Para 4 and answer 1. How many unknown species have been discovered thanks to amber? They found 13 ants. More than 300 unknown species. 2. What did scientists find in a piece of amber from Africa? 10 1. What has amber been described as in the passage? We should put more effort into research. Read Para 5 and answer While-reading 2. What should we do to unlock more secrets of nature? A window on the past. While-reading Choose where you are most likely to read this passage. 3 a in a popular science magazine about findings in nature b in a newspaper report on exhibitions about dinosaurs c in a sci-fi book about travelling 160 million years into the past While-reading Complete the diagram with the correct form of the words and expressions from the passage. secrets Thanks to changed window secrets of nature 35 million unknown ant Post-reading I feel the beginning is vivid, interesting and exciting. It creates a clear picture of a dinosaur in my mind, catch my attention and makes me curious about what will happen next. 1. What do you think of Paragraph 1? Why does the writer begin like this? Think and share 2. What are some other ways for you to learn about nature's secrets? visiting museums Think and share Post-reading We can learn about nature's secrets by reading doing experiments watching videos Language points 在一个远古森林 寻找它的下一餐 羽毛覆盖的手臂 数百年间 看起来就像巨大的蜥蜴 多亏… …的尾巴 带有羽毛 Language points 美丽的金色石头（指琥珀） 过去的碎片 地球上的生命 一片，一块 北欧 不再生长 3500 万年前 久而久之 Language points 多亏… 超过，不只是 过去常常认为 地球的北半球 改变了旧的观念 蚂蚁的历史 告诉我们更多秘密 Language points used to，be used to do, be used to doing 的用法 used to be used to do be used to doing 过去常常做某事,现在不做了 I used to play football after school. 被用来做某事是被动语态，表示用途。 Bamboo can be used to build houses. 习惯于做某事。 He is used to getting up early now. be used to doing 中的 to 是介词，千万不能接动词原形！ Exercises 1.I ______ play the piano, but I don't have time now. A. used to B. am used to C. am used to play 2.This machine ______ make cars. A. used to B. is used to C. is used to making 3.My father ______ drinking coffee after dinner. A. used to B. is used to C. is used to drink 单选题 Language points 作为通往过去的一扇窗 被大量研究 未被完全理解 投入更多精力进行研究 用这把钥匙解锁 大自然的秘密 汉译英。 将来我想成为一名老师。 2.从今以后，你必须按时完成作业。 3.这个盒子被用来存放书。 4.他习惯步行去上学。 5.我班里有超过 30 名学生。 Exercises I want to be a teacher in the future. This box is used to keep books. In future, you must finish your homework on time. He is used to walking to school. There are more than 30 students in my class. Summary Summary Learn some new words: dinosaur, feather, amber whether, belief, fully, unlock … Learn a passage about Secrets caught in time. We can know more about nature. Homework Homework Must do: 1.记忆本节课的单词和短语，重点句型; 2.完成课后的相关练习。 Choose to do: 科普小报告 查阅资料，了解琥珀中还发现了哪些有趣的古生物（如昆虫、植物、小型动物），用英文写一段 50 词左右的小报告，介绍其中一种。 Thank you $