Unit 5 Looking into nature Understanding ideas 读思课课件 2025-2026学年外研版八年级英语下册

Looking into nature Unit5 Understanding ideas Lead in Pre-reading While-reading Post-reading Homework Observe（观察） the amber（琥珀） in groups. 【æmbər】 Watch the video and learn how amber is formed. Lead in Pre-reading While-reading Post-reading Homework 1.How amber is formed? 2.What can we learn from an amber? Amber can help us unlock the secrets of nature. Lead in Pre-reading While-reading Post-reading Homework What do you think dinosaurs looked like? How do you know that? dinosaur [ˈdaɪnəˌsɔr] feather [feðə] We know that from an_____________. amber Lead in Pre-reading While-reading Post-reading Homework Look at the title and pictures and predict. What does “ caught in time” mean? Things from long long ago are preserved(保存). 被时间封存的秘密 Lead in Pre-reading While-reading Post-reading Homework Read for gist Read the passage quickly and answer the questions. scientists discovery studied research Where are you most likely to read this passage? 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 （科幻小说）about travelling 160 million years into the past P70 最有可能 nature Lead in Pre-reading While-reading Post-reading Homework Read for gist Read the passage quickly and answer the questions. The secret about____________ The secret about____________ The secret about____________ the dinosaurs the flower the ants Amber is the key to unlock more secrets How many secrets are mentioned in the passage? What are they? Lead in Pre-reading While-reading Post-reading Homework Read para1-2 and fill in the blanks. 1 Imagine a dinosaur in an ancient forest. It is running around looking for its next meal. With an angry cry, it opens its mouth, raises its beautiful feather-covered arms, and... 2 Wait, feathers on a dinosaur? For hundreds of years, people believed that dinosaurs looked like huge lizards. Just look at all those dinosaurs in books, films and TV shows! However, thanks to a piece of amber, scientists now know that this idea is wrong. In the amber from Southeast Asia, they found the tail of a dinosaur – with feathers. 羽毛覆盖的 蜥蜴 多亏 What’s in the amber? Where was it found? What did scientists find through it? What secrets does it tell? A dinosaur tail with feathers. In Southeast Asia. Dinosaurs had feathers. What dinosaurs looked like. Read for details Lead in Pre-reading While-reading Post-reading Homework Read for details Read para1-2 and choose. 1 Imagine a dinosaur in an ancient forest. It is running around looking for its next meal. With an angry cry, it opens its mouth, raises its beautiful feather-covered arms, and... 2 Wait, feathers on a dinosaur? For hundreds of years, people believed that dinosaurs looked like huge lizards. Just look at all those dinosaurs in books, films and TV shows! However, thanks to a piece of amber, scientists now know that this idea is wrong. In the amber from Southeast Asia, they found the tail of a dinosaur – with feathers. this idea What does “ this idea” in paragraph 2 refer to? A. The idea that dinosaurs lived in ancient forests alone. B. The idea that dinosaurs looked like huge lizards without feathers. C. The idea that dinosaurs could fly with their feather-covered arms. Lead in Pre-reading While-reading Post-reading Homework Read for details Read para3 and fill in the blanks. 3 These beautiful golden stones quietly keep pieces of the past. They can tell us whether dinosaurs had feathers, but that's not all. They also help us understand that life on earth has always changed. A piece of amber from Northern Europe, for example, holds a flower. This species no longer grows in this area. But the find proves that it did 35 million years ago. In the future, amber may also help us discover if other species have changed over time. 在地球上 不再 What’s in the amber? Where was it found? What did scientists find through it? What secrets does it tell? A flower. In Northern Europe. The flower grew there 35 million years ago. Life on earth has always changed. Lead in Pre-reading While-reading Post-reading Homework Read for details Read para4 and fill in the blanks. 4 Thanks to amber, more than 300 unknown species have been discovered. In a piece of amber from Africa, scientists found 13 ants. Research shows that they are a completely new species. Scientists used to believe that ants came from the northern half of the earth. The discovery of this African species has changed old beliefs about the history of ants. Who knows whether this piece of amber will tell us more secrets? 300多种未知物种 过去常常 旧观念 What’s in the amber? Where was it found? What did scientists find through it? What secrets does it tell? 13 ants. In Africa. The ants are a completely new species. Ants did not only come from the northern half of the earth; they also lived in Africa. There are many unknown species for us to discover. Lead in Pre-reading While-reading Post-reading Homework Read for details Read para5 and answer the questions. 5 As a window on the past, amber has been much studied. However, it's still not fully understood. We should put more effort into research. Then we can use this key to unlock more secrets of nature. What does the writer compare (把...比作）the amber to? A window on the past . Why is amber called a “ key”? A. Because it can open doors to ancient buildings and cities. B. Because it helps us unlock secrets and discover unknown things. C. Because it is as hard and golden as a metal key in our life. 把更多的精力放在研究上 揭秘更多大自然的秘密 Enjoy the text video Lead in Pre-reading While-reading Post-reading Homework The writer says “ We should put more effort into research.” Do you agree? Yes, because there is still much we don’t know. And we need to understand nature better to protect it. As a student, what should you do to protect the nature? I should study hard and stay curious about nature. As a student, what should you do to protect the nature? I can learn to observe things carefully in daily life. As a student, what should you do to protect the nature? I should protect the environment so that future generations can still find natural treasures like amber. If amber could speak, what would it say to us humans? I have waited millions of years to tell you my stories. Please listen carefully and protect nature. Looking into nature Unit5 Understanding ideas Thank you！ Lead in Pre-reading While-reading Post-reading Homework Complete the diagram with the words and expressions from the passage. 1. secrets 2. Thanks to 3. (always) changed 4. 35 million 5. unknown 7. window 6. ant 8. nature First Second Third We should put more effort into research. Lavf57.71.100 Packed by Bilibili XCoder v2.0.2 Lavf58.12.100 $