Unit 7 The secret of memory Section 4& Project 课件2025-2026学年沪教版八年级英语上册

Have you ever had a moment like this? You're working hard, but you can always remember the important things. In fact, memory is not in the tables, but an art of concentration. I once stayed up late to endure the test, only to find that I had forgotten all about at the next day, until I learned a method not to repeat, but to really pay attention when I am fully absorbed and understanding each knowledge point and relating IT to the knowledge I already have. And then a miracle happened. I no longer had to memorize. True memory is about making information, and part of you start today, put down your phone, turn off distraction, and give your full attention to be important thing. You will find that the most powerful memory tool has always been in your heart. Section for extending and developing competencies focusing on culture page one hundred and ten human beings have the ability to remember the past in one way. Nature is also able to remember past events. And this helps scientists learn about the history of the earth and human kind. One, read the article about tree rings to learn what they can tell us. the memories of trees. Do trees have memories? This may seem like a strange question, but trees can actually tell us things about the past. When a tree is cut down, you can see something special inside rings. These rings are the memories of trees. Tree ings contain lots of secrets from the forest. Every year the tree grows, there is a new ring. Scientists can count the rings to tell the age of the tree. They also study tree rings to learn about the climate and the environment. Tree rings are a record of the climate. Some rings are quite wide. This is a good sign as IT means the tree grew well and was healthy. This happens when the tree gets enough sun and rain. When IT doesn't rain enough, the tree won't grow as much and the drink are narrow. Thanks to this, scientists can look at the tree ring patterns to learn about climate change in a particular place. Scientists also look at tree ings to study natural disasters. For example, sometimes there is a black area on a tree ring. This usually means there was a forest fire. If scientists count the rings from the black area, they can answer difficult questions, such as as when did the fire happen and how common are forest fires. Tree rings can also help us understand human history. For example, scientists can use cheering patterns to learn the age of old buildings. Nowadays, they can even look at the chemistry of each, trying to figure out exactly when the tree was cut down. Thanks to this new method, a team of archaeologists discovered that a viking village in canada was built in the year ten twenty one. C, E, it's amazing that trees can tell us so much, even though they cannot talk. 上 （沪教2025版）八年级 Unit 7 The secret of memory Focusing on culture& Cross-curricular connection&Project 阅读文化拓展与与跨学科项目化优质课 Learning objectives 0 Lead in Pre-reading 2 While-reading Post-reading 4 Cross-curricular connection Project 6 Deepthinking 1 3 5 7 Summary 8 Assessment 9 Homework 10 By the end of the lesson, I will be able to... 1 2 3 master vocabulary and understand how to extract information about tree rings' functions from the text and Ebbinghaus's findings about memory. develop reading comprehension (skimming, scanning) and critical thinking about how nature records history. understand the science of dendrochronology and how tree rings reflect age, climate, natural disasters, and human history. understand how memory works (forgetting patterns, effective learning methods) and Ebbinghaus's contribution to psychology. 00 Learning objectives 4 Lead in 01 What can tree rings tell us? Do trees have ‘memories'? 2. What are the main topics tree rings help scientists study? Pre-reading 02 Skimming 1. What is the main idea of the article? subject Age, climate, natural disasters, human history For age : “How do scientists tell a tree's age?” (Count rings) For climate : “What do wide/narrow rings indicate?” (Wide = enough sun/rain; narrow = little rain) For natural disasters: “What does a black area on a ring mean?” (Forest fire) For human history : “How do tree rings help with archaeology?” (E.g., Viking village date) Pre-reading 02 Scanning Pre-reading 02 Human beings have the ability to remember the past. In one way, nature is also able to remember past events, and this helps scientists learn about the history of the Earth and humankind. While-reading 03 Watch and understand. While-reading 03 1 Read the article about tree rings to learn what they can tell us. The memories of trees para. 1 Do trees have memories? This may seem like a strange question, but trees can actually tell us things about the past. When a tree is cut down, you can see something special inside: rings. These rings are the memories of trees. Tree rings contain lots of secrets from the forest. 事实上；实际上 v.包含；容纳 first year growth rainy season dry season scar from forest fire Every year the tree grows, there is a new ring. Scientists can count the rings to tell the age of the tree. They also study tree rings to learn about the climate and the environment. Tree rings are a record of the climate. Some rings are quite wide. This is a good sign as it means the tree grew well and was healthy. This happens when the tree gets enough sun and rain. When it doesn't rain enough, the tree won't grow as much, and the rings are narrow. Thanks to this, scientists can look at the tree ring patterns to learn about climate change in a particular place. While-reading 03 Para. 2 n.气候 n.环境 ……的记录 adj.宽的；广泛的 adj.狭窄的 n.模式；图案 n=adj. 特定的 /pəˈtɪkjələ(r)/ particular While-reading 03 Para. 2 first year growth rainy season dry season scar from forest fire Every year the tree grows, there is a new ring. Scientists can count the rings to tell the age of the tree. They also study tree rings to learn about the climate and the environment. Tree rings are a record of the climate. Some rings are quite wide. This is a good sign as it means the tree grew well and was healthy. This happens when the tree gets enough sun and rain. When it doesn't rain enough, the tree won't grow as much, and the rings are narrow. Thanks to this, scientists can look at the tree ring patterns to learn about climate change in a particular place. Why are some tree rings wide? A. The tree got enough sun and rain. B. The tree experienced a forest fire. C. The tree was cut down. D. The tree was very old. A 1872 1850 1920 1925 2001 2020 While-reading 03 Para. 3 Scientists also look at tree rings to study natural disasters. For example, sometimes there is a black area on a tree ring. This usually means there was a forest fire. If scientists count the rings from the black area, they can answer difficult questions, such as “When did the fire happen?” and “How common are forest fires?” 2020 n.灾难；灾害 What can a black area on a tree ring usually mean? A. A rainy season B. A dry season C. A forest fire D. The tree's first year growth C While-reading 03 Para. 4 & Para. 5 Tree rings can also help us understand human history. For example, scientists can use tree ring patterns to learn the age of old buildings. Nowadays, they can even look at the chemistry of each tree ring to figure out exactly when the tree was cut down. Thanks to this new method, a team of archaeologists discovered that a Viking village in Canada was built in the year 1021 CE. It's amazing that trees can tell us so much, even though they cannot talk! n.考古学家们 n. 化学 [ˈkemɪstri] chemistry 尽管；虽然 Post-reading 04 2 Why are tree rings useful? How do scientists make use of them? Complete the mind map below with the information from the article on page 110. Tree rings tell the age of the tree (3) (5) (1） Scientists count the rings to tell the age of a tree (2) (6) (4) Post-reading 04 Tree rings tell the age of the tree (3)study natural disasters (5)understand human history　 (1) learn about the climate and the environment Scientists count the rings to tell the age of a tree (6)Scientists use tree ring patterns to learn the age of old buildings. And they can even look at the chemistry of each tree ring to figure out exactly when the tree was cut down. (2) Scientists look at the tree ring patterns to learn about climate change in a particular place.　 (4) Scientists count the rings from a black area to answer difficult questions about natural disasters.　 Post-reading 04 3 Find the words and phrases in the article and match them with their meanings. (1) contain (line 4) (2) particular (line 12) (3) natural disaster (line 14) (4) chemistry (line 24) (5) figure out (line 24) a used to refer to a specific person or thing b to discover the answer c to have / hold something inside d the chemicals that something is made up of e used to refer to an earthquake, flood, forest fire, etc Post-reading 04 4 What else do you know about tree rings? Share with your classmates. To learn about how scientists study tree rings, you can try to explore the following questions: How do they find trees to study? What tools do they use? What have they discovered about the past? Why is their work important? Post-reading 04 4 What else do you know about tree rings? Share with your classmates. "... have/has changed... in many ways. （…… 在很多方面改变了……）"。 "Firstly/Secondly/Thirdly,... （首先 / 其次 / 第三，……）" "We can... (without)... （我们可以……（不用……））" "... may be able to... （…… 可能能够……）" "For example,... （例如，……）" "... might be more connected with...（…… 可能与…… 联系更紧密）" "We could use... to control... （我们可以用…… 来控制……）" Words bank: Nouns: tree rings, memories, age, climate, environment, disasters, forest fire, human history, buildings, archaeologists, Viking village, secrets, patterns, chemistry Verbs: tell, grow, count, study, learn, record, reveal, happen, discover, figure out, connect Adjectives: special, wide, narrow, black, amazing, ancient, healthy Adverbs: well, exactly, yearly Sentence Structure: • Width (宽度) of Rings: Different tree types have rings of different widths. For one tree, its rings get wider when it's young and then get narrower as it grows older. Post-reading 04 4 What else do you know about tree rings? Share with your classmates. • Telling Directions with Rings：In the Northern part of the world, the sunny side (south) of a tree grows well, so its rings are farther apart. The shady side (north) has rings that are closer together. In the Southern part of the world，it's the opposite（相反）. Near the equator, the rings look the same, so we can't use them to find directions. Post-reading 04 4 What else do you know about tree rings? Share with your classmates. • False （假的） Rings：Sometimes，trees form more than one ring in a year. This happens because the tree grows differently at different times during the year，either because of the tree itself or the weather and other outside things. Post-reading 04 4 What else do you know about tree rings? Share with your classmates. Show time Talk clearly (内容清晰) Pronunciation(发音标准) Body language(使用肢体语言) Fluently(流利的) Reasonable(理由合理) Grade and share: Cross-curricular connection 05 Scientists have done experiments to discover how memory works and why it fails. Let's explore how we can remember better. Psychology Cross-curricular connection 05 Hermann Ebbinghaus was the first person to study learning and memory by carrying out an experiment on himself. 1 Read the article from a science magazine about some findings on memory. 对他自己进行一项实验 Ebbinghaus's work showed that: .. the things we study longer and more carefully will remain in our memory longer. ... things close to the beginning and end of a list or series are remembered most easily. ... forgetting happens quickest in the first nine hours. .. it is easier to relearn things forgotten, than new things. ... learning meaningless things is difficult. Things that make sense and have meaning are remembered about ten times longer than things that don't. .. it is easier to remember things if we study them in many learning sessions over longer periods of time. Cross-curricular connection 05 Below are his findings: adj.无意义的 有意义；讲得通 Cross-curricular connection 05 Ebbinghaus discovered a pattern in remembering. He found that in the first hour he forgot things very quickly. Although this slowed down, after about nine hours, people forgot about 60 per cent of what they tried to learn. Finally, he found that 24 hours after studying, people had forgotten around two- thirds of anything they tried to learn and remember. This is the well-known “forgetting curve(曲线) ”. It starts with a sharp drop, followed by a gentle curve. 遗忘曲线 Cross-curricular connection 05 Ebbinghaus's work encouraged scientists to explore memory further and it became a field of study. He also helped create proper methods for experimenting in psychology. These are still used to this day. 在心理学领域 Cross-curricular connection 05 (1) What can you learn from Hermann Ebbinghaus's findings? 2 Discuss the questions below. From Hermann Ebbinghaus's findings, I can learn several useful things. • Forgetting happens very quickly in the beginning. This reminds me that after I learn something new, I should review it as soon as possible, especially within the first nine hours. • The more carefully and longer I study something, the longer it will stay in my memory. So when I study, I need to focus and spend enough time on it. • Meaningful things are easier to remember. So I can try to find the meaning of what I learn, like understanding the reasons behind grammar rules or the stories in texts, instead of just memorizing them blindly. Cross-curricular connection 05 (2) Which finding do you think is the most helpful? I think the finding that forgetting happens quickest in the first nine hours is the most helpful. In our daily study, we often learn a lot of new knowledge. If we don't review it in time, we will forget most of it very soon. Knowing this, I can make a study plan to review what I've learnt in time. Project 06 Testing the memory techniques There are many techniques that can help improve our memory. In this project, you will choose two different memory techniques and do an experiment. Memory technique 1: ________________________ Memory technique 2: ________________________ Things to prepare: • A memory test e.g. a number or word recall test • A timer Project 06 Step 2 Have each subject take a memory test. This first test will tell how good their memory is before they use the memory technique, and the results of this test are called the pre-test score. Experiment: Step 1 Find nine subjects for your experiment. You may select those of a similar age or those of the same sex to avoid the effects of age and gender. Project 06 Step 4 The next day, have all subjects take the same memory test again. Record their scores. The results of the second test are called the post-test score. Step 5 Then compare the pre-test score and post-test score. Which group showed the biggest improvement? Which memory technique is the most effective? Share your findings with your classmates. Step 3 Divide the subjects into three groups: Group 1: three subjects using memory technique 1 Group 2: three subjects using memory technique 2 Group 3: three subjects using no memory technique Deep thinking 07 “Ebbinghaus tested memory on himself. What are the advantages and disadvantages of this research method?” Summary 08 Summary 08 Unit 7 The secret of memory Reading 1. The Memories of Trees 2. Ebbinghaus's Memory Study Age Climate Disasters History Count rings Wide/narrow rings Black area (fire) Date sites (e.g., Viking) Forgetting Curve (Quickest in 1 hour) Relearning vs. New Learning Meaningful vs. Meaningless Spaced Learning Sessions Hermann Ebbinghaus → Father of Memory Research Summary 08 The words we have learned The words we have learned 根据首字母或中文提示完成单词 1.The old banyan trees in Shenzhen's parks c____________ valuable tree ring records of the city's development. 2.It's normal to ________ (忘记) some new English words, even for top students in Shenzhen. 3.Shenzhen pupils are taught to ______ (重新学习) forgotten knowledge regularly to improve memory. 4. Shenzhen teachers use the memory c______ to plan review lessons for their students. ontain forget relearn urve Assessment 09 Self-assessment I can master vocabulary and understand how to extract information about tree rings' functions from the text and Ebbinghaus's findings about memory. I can develop reading comprehension (skimming, scanning) and critical thinking about how nature records history. I can understand the science of dendrochronology and how tree rings reflect age, climate, natural disasters, and human history. I can understand how memory works (forgetting patterns, effective learning methods) and Ebbinghaus's contribution to psychology. Basic (基础) Improving(提升) Extend (拓展) Homework 10 写一段关于“我从年轮中学到了什么”的短文。 研究一项真正的树木年代学研究（例如，确定一棵著名的老树的年代），并写一篇100字的报告。 观看一个关于树木年代学的纪录片片段，并就其重要性写一篇反思。 null 183755.42 null 160373.55 $Unit seven. regularly. regularly. repeat. repeat. note. note, vision. visual, mentally. mentally, link. link. list, list. especially, especially diet. diet. maintain. maintain, not not, relax, relax. stressed. stressed, tend. tend, Normal. Normal . loss . lost. Folk. folk. onion. onion. ant, ant. Context. context. image. image. sense. sense. summary summary contain . contain particular particular . chemistry . chemistry. Flash card. flash card. make a point of doing something. Make a point of doing something. Last but not least. last but not least. natural disaster. natural disaster. Figure out, figure out. Cross curricular connection psychology beige, one hundred and twelve scientists have done experiments to discover how memory works and why IT fails. Let's explore how we can remember Better. One, read the article from a science magazine about some findings on memory. How much can you remember after twenty four hours? Herman epping house was the first person to study, learning and memory by Carrying out an experiment on himself. Below are his findings. Ebing houses work showed that forgetting happens quickest in the first nine hours. IT is easier to relearn. Things forgotten, the new things, the things we study longer and more carefully will remain in our memory longer. Learning meaningless things is difficult, things that makes sense and have meaning. I remembered about ten times longer than things that don't. Things close to the beginning and end of a list or series are remembered most easily. IT is easier to remember things if we studied them in many learning sessions over longer periods of time. Ebing house discovered a pattern in remembering. He found that in the first hour, he forgot things very quickly. Although this slowed down. After about nine hours, people forgot about sixty percent of what they try to learn. Finally, he found that twenty four hours after studying, people had forgotten around two thirds of anything they try to learn. And remember, this is the well known forgetting curve. IT starts with a sharp drop, followed by a gentle curve. Ebing houses work encouraged scientists to explore memory further, and IT became a field of study. He also helped create proper methods for experimenting in psychology. These are still used to this day. The memories of trees. Do trees have memories? This may seem like a strange question, but trees can actually tell us things about the past. When a tree is cut down, you can see something special inside rings. These rings are the memories of trees. Tree rings contain lots of secrets from the forest. Every year the tree grows, there is a new ring. Scientists can count the rings to tell the age of the tree. They also study tree rings to learn about the climate and the environment. Tree rings are a record of the climate. Some rings are quite wide. This is a good sign as IT means the tree grew well and was healthy. This happens when the tree gets enough sun and rain. When IT doesn't rain enough, the tree when he grow as much, and the rings are narrow. Thanks to this, scientists can look at the tree ing patterns to learn about climate change in a particular place. Scientists also look at tree rings to study natural disasters. For example, sometimes there is a black area on a tree in. This usually means there was a forest fire. If scientists count the rings from the black areas, they can answer difficult questions, such as when did the fire happen and how come in our forest fires. Tree rings can also help us understand human history. For example, scientists can use cheering patterns to learn the age of old buildings. Nowadays, they can even look at the chemistry of each tree ring to figure out exactly when the tree was cut down. Thanks to this new method, a team of archaeologists discovered that a viking village in canada was built in the year ten twenty one. C. E. It's amazing that trees can tell us so much, even though they cannot talk.