Unit 5 Understanding ideas Reading 课件 2025-2026学年外研版英语八年级下册

Unit 5 Looking into nature Understanding ideas Reading Understand the main idea of the text, master key words and phrases and complete questions about the text.(学习理解) 01 Use the words and expressions from the text to fill in the diagram and correctly summarize how amber helps us understand the history of life on Earth.(应用实践) 02 Think and discuss other ways to learn about nature's secrets and express their own opinions clearly in English.(迁移创新) 03 By the end of this lesson, we will be able to: Learning Objectives I can see a dinosaur. Lead in What can you see? This golden stone is amber. Lead in What do you think is inside it? What is this golden stone? We can find parts of old life, like dinosaur feathers or small insects. They help us learn about the past. What can you see in the picture? I can see two pictures of amber. Pre-reading I can see a passage. 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 Look and predict What does the title mean? While-reading 被时间封存的秘密 / 时光凝固的秘密 Read and answer How many parts can the passage be divided into? Three. Part 1:_ Part 2:_ Part 3:_ Para 1 Para 2-4 Para 5 While-reading Read and answer While-reading Match the idea with each part. Read and answer Introduction Three Discoveries from Amber Conclusion & Call to Action 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? Read Para 2 and answer 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. 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? It proves that the flower grew in Northern Europe 35 million years ago. While-reading 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? 13 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 in a popular science magazine about findings in nature a c b in a newspaper report on exhibitions about dinosaurs in a sci-fi book about travelling 160 million years into the past 科幻小说 Read and complete While-reading secrets Thanks to proves unknown ants changed window secrets of nature grew Think and share 1. What do you feel about Paragraph 1? Post-reading I feel the beginning is vivid, interesting and exciting. It creates a clear picture of a dinosaur in my mind and makes me curious about what will happen next. Think and share To catch readers’ attention and arouse their curiosity about dinosaurs and the topic. Why does the writer begin like this? Post-reading To make the text alive and lively (instead of being boring). To naturally lead into the key topic: the secret of feathered dinosaurs proved by amber. 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 observing nature doing experiments watching videos Learning to think for question 1 Writers have different writing styles. They use different methods to achieve their goals. These goals include making the text alive, making their arguments strong getting readers’ attention, etc. Post-reading 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 in the future in future 的区别 短语 含义 侧重点 例句 in the future 在将来;在未来的某个时候 泛指未来的时间,可近可远,常指较远的未来 In the future, we may travel to Mars. 将来,我们或许能去火星旅行。 in future 从今以后;今后 强调从现在开始往后的时间,相当于 from now on In future, you must be more careful with your homework. 从今以后,你做作业必须更仔细。 Exercises 1.I hope to become a scientist _. 2. _, please don’t be late for class again. 3.What do you think life will be like _? 4. _, we should protect the environment carefully. 5.Scientists believe that _, we will find more secrets in amber. 用in the future / in future填空 in the future In future in the future In future in the future 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 结构 含义 例句 used to do 过去常常做某事,现在不做了 Scientists used to believe that ants came from the northern half of the earth. 科学家过去常常认为蚂蚁来自地球的北半球。 be used to do 被用来做某事是被动语态,表示用途。 Amber is used to make beautiful jewelry. 琥珀被用来制作漂亮的首饰。 be used to doing 习惯于做某事 I am used to getting up early now. 我现在习惯早起了。 Exercises 1. I _ (play) football every day when I was a student. 2. This kind of wood _ (make) paper. 3. My father _ (get) up early now because of his new job. 4. There _ (be) a big shop near our school, but it’s gone now. 5. A knife _ (cut) things. 6. After living in Beijing for 5 years, I _ (eat) Beijing duck. 用used to /be used to do /be used to doing填空 used to play is used to make is used to getting used to be is used to cut am used to eating 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 单选题。 I _ be afraid of dogs, but now I like them. A. used to B. am used to C. am used to do 2.This tool _ cut paper. A. used to B. is used to C. is used for 3.We should be more careful _. A. in future B. in the future C. for future 4.There are _ 300 students in our grade. A. much B. more than C. many 5.I don’t like this pen. Please give me _ one. A. other B. the other C. another Exercises 二、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. 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。 Homework Homework Thank you $