Unit 4 Section B (1a-1f) 课件2026-2027学年人教版英语八年级上册

Unit4 Amazing Plants and Animals SectionB (1a-1f) 1 At the end of the class, we are able to: 1. learn the importance of bees and the necessity of protecting bees; 2. realize people, plants, and animals are all connected; 3. take simple steps to protect bees in everyday life. Learning Objectives Warm up Do you know why their honeycombs are hexagonal? Let’s watch a video together! After watching this video, what do you think of bees? Discuss smart hard-working After watching this video, what do you think of bees? What else do you know about bees? look food where habits importance Do you want to know more about us? Lead in Bee Which letter(字母) is an animal? Bees live in large groups called hives. Bees collect nectar from flowers . /'nektə/n.花蜜 They help plants grow by carrying pollen. /ˈpɒlən/n.花粉 /haɪv/ n.蜂箱 pollination They make honeycomb to store honey. /ˈhʌnikəʊm/ n.蜂巢 /ˌpɒləˈneɪʃn/n.授粉 before ltoday lesson let have a guessing game Now let us learn some facts about Bees Look at the title and the pictures below. Guess what the text is about. 1a Pre-reading We Can’t Live Without Bees The importance of bees The connection between humans, plants and bees /kəˈnekʃn/ n.关联 Look at the title and the pictures below. Guess what the text is about. Before reading bees honeycomb pollination Discuss in groups: How are bees connected with us? 1a Great! We found that fruits like apples and cherries need bees. But why are bees so important that some people say “We Can’t Live Without Bees?”? Let’s find out the answer from the text. I’m a very hardworking little bee. Fast-reading Match the main idea with each paragraph. It states the problem that bee numbers are dropping, so we should protect them. It's an introduction to make us realize the connection among people, plants, animals and bees are a great example. It shows the importance of bees as their pollination helps most plants grow. It shares interesting facts about bees. We need each other to live, and bees are one of the best examples of this connection.(段尾) Bees are very hard-working animals and their greatest work is pollination.(段首) Bees are also one of the most interesting animals in the world .(段首) However, the number of bees is dropping, and scientists are worried. (段中) Reading Tip 1.Focus on each paragraph’s topic sentence helps you find the main idea. 2. This topic sentence usually sits at the beginning, middle, or end of the paragraph. imagination（/ɪˌmædʒɪˈneɪʃn/，想象力；想象 para. 1 para. 2 para. 3 para. 4 Bees’ interesting facts Protect bees People, plants, and animals are all connected Bees’ pollination Tip 1: Read the first or last sentence quickly. Fast-reading【P36】 While-reading（P36） /kəˈnɛktɪd/ adj.联系的 /fækt/ n.事实 are you going to read word by word thenwhere are you going to focus on maybe the first sentence and last sentence 学生活动 齐读 Read the first paragraph and answer the question: Why do we say “We Can’t Live Without Bees. ” ? Careful reading——People are connected to bees. Imagine you go to the supermarket in your area, but there are almost no fruits, vegetables, honey, milk, eggs, or chocolate. How would you feel? Disappointed? Angry? Sad? At this moment you realize people, plants, and animals are all connected. We need each other to live and bees are one of the best examples of this connection. Bees → Plants grow fruits/vegetables → Humans/animals get food No bees → few plants → empty supermarket imagination（/ɪˌmædʒɪˈneɪʃn/，想象力；想象 1. How does the writer begin the text? A. By telling a story B. By giving numbers C. By imagining a scene Read para. 1 and choose the correct answer. (30s). Careful-reading /siːn/ n.场景 imagine /ɪˈmædʒɪn/ v.想象;设想 /siːn/ Read the Para.2 and find out how bees help plants grow. Bees visit flowers and collect nectar. pollen Bees take pollen to another flower. So pollination is done. Bees help with pollination. Read para. 2-4 and underline the adjectives(形容词) to describe(描述) bees. hard-working most important most interesting important most amazing 1b While-reading Let us learn more about bees with these adjectives. Read the third paragraph and Complete the mind map. Interesting facts •They work together to make their homes. In order to store honey, they create honeycombs. •How they communicate. When a bee finds new food, it uses a dance to tell the others where and how faraway the food is. Bees are also one of the most interesting animals in the world. For example, they work hard together to make their homes. In order to store honey, they create honeycombs. Another interesting thing about bees is how they communicate. When a bee finds new food, it uses a dance to tell the others where and how faraway the food is. Because they often visit 50 to 100 flowers on one trip. Read para. 2 and answer the question (90s). 1. Why does writer think bees are hard-working? 2. Why do scientists believe bees are the most important animals on this planet(星球)? Tip 3: “Numbers” can make reading clear. 预设答案：Because+... Careful-reading 1. Bees create to store honey. 2. Bees communicate with each other by . Read para. 3 to fill the blanks(60s). Careful-reading honeycomb dancing most interesting Read the Para.3 and fill in the chart. Bees’ behavior Purpose create honeycomb to communicate to store honey dance hive 蜂箱/蜂窝 honeycomb 蜂巢 Read para. 4 and answer the question(60s). What are scientists worried about bees ? Their number is dropping./ The number of bees is dropping. Careful-reading Read the Para.4 and discuss the following questions. Why do you think the number of bees is dropping? climate change no flowers sick bees Without bees, which foods in the supermarket would disappear? fruits、vegetables、nuts、coffee、chocolate、seeds、oils、milk... Why? people animals plants People are connected with bees and other plants and animals . Read the first paragraph and answer the question: Why do we say “We Can’t Live Without Bees. ” ? ①Bees → Plants grow fruits/vegetables → Humans/animals get food ②No bees → few plants → empty supermarket How are bees connected with us? plants bees people connected Bees are closely connected with . First, bees are important for pollination and . Then, plants provide people with _____. Now, the number of bees is dropping,___________________. people and plants helps plants grow people need to protect bees Post-reading food. Tip 4: Use first/then/now to get better logic. Careful-reading What role do bees play in the ecosystem of our planet? What is scientists' attitude(态度) towards the dropping number of bees? Why? Scientists _________________ the dropping number of bees. Because it may have ______________ on the ecosystem. Bees ______________________ the _____________ of our planet. play an important part in ecosystem are worried about negative impacts Bees help plants make fruits. Fewer bees mean these plants may not bear fruit, or even die. Much of our food needs bees. Fewer bees will make our food choices smaller. Careful-reading Read the passage again and determine if the following sentences are true (T) or false (F). If there were almost no fruits, vegetables, honey, milk, eggs, or chocolate in the supermarket, people would only feel disappointed. Bees' greatest work is pollination, and on one trip, they often visit 50 to 100 flowers. Without bees' work, about 50 percent of the plants in the world cannot grow. Bees create honeycombs to store water. When a bee finds new food, it uses a sound to tell the others where and how far away the food is. The number of bees is increasing, so scientists are not worried. T F T F T F T F T F T F feel disappointed angry or sad 80 honey dance dropping Individual Learning 个人独学（7mins） Requirements (要求)： 1. Finish the tasks by yourself quietly. 安静独学。 2. Perfect your work or think further if you have more time than you need. 时间过多时请完善答案或深入思考。 (请用黑笔完成独学任务单) https://tool.hiofd.com/countdown/ Group Discussion 小组讨论（5mins） 0 Requirements (要求)： 1.Discuss your problems within 3 minutes 重点讨论圈出的问题 2. Mark the problems you can’t solve. 标记小组无法解决的问题。 3.Share your gains and doubts. 分享收获与疑问。 （用蓝笔更正答案；请用”∆”标记疑惑问题） Read again and complete the mind map with the information from the text. 1c ●their greatest work: ______________ ●visit: __________________________ ●help:__________________________ ●their number is: ______________ importance problem interesting facts pollination 50 to 100 flowers on one trip plants grow dropping They work hard together to make their homes. When a bee finds new food, it uses a dance to tell the others where and how far away the food is. Bees Discussion How do you understand the connection between people, plants, and animals? Flowers need bees to help with pollination. Bees collect nectar (花蜜) from the flowers to make honey. People have honey for food and can water flowers. people bee flower Discuss the questions. 1. Can you give another title for the text? 2. What other interesting facts do you know about bees? 3. What do you know about the connection between humans and other insects, such as ants and butterflies? A: I can give another title for the text: Bees and us B: Bees can sting to protect themselves. C: Ants are.. D: Butterflies are… After reading 1d Post-reading 1d. Discuss the questions. Can you give another title for the text? An Amazing Animal—The Bee Why Bees Matter to Us Bees: Essential to Life on Earth The Importance of Bees in Our World … Reading Tip: To choose a title for an article, you can look for the main idea. Find out what the article is mostly talking about. Remember: Name the main thing. Tell the main idea. Keep it short and easy. Imagine you go to the supermarket in your area, but there are almost no fruits, vegetables, honey, milk, eggs, or chocolate. How would you feel? Disappointed? Angry? Sad? At this moment you realize people, plants, and animals are all connected. We need each other to live and bees are one of the best examples of this connection. Bees are very hard-working animals, and their greatest work is pollination. On one trip, they often visit 50 to 100 flowers. As they fly from one flower to another, they take pollen with them. This action helps plants grow. In fact, without their work, about 80 percent of the plants in the world cannot grow. For this reason, many scientists believe that bees are the most important animals on this planet. v. 想象 adj. 失望的 此时此刻 connect with 与……相连；与……有关联 /ˌpɑːləˈneɪʃən/ n. 授粉 conj. 当...时 /ˈpɑːlən/ n. 花粉 n. 行动 prep. 没有 因此 /ˈplænɪt/ n. 行星 实际上 n. 百分率 Bees are also one of the most interesting animals in the world. For example, they work hard together to make their homes. In order to store honey, they create honeycombs. Another interesting thing about bees is how they communicate. When a bee finds new food, it uses a dance to tell the others where and how faraway the food is. Bees play an important part in the ecosystem of our planet. However, the number of bees is dropping, and scientists are worried. Bees need our help, and there is a lot we can do. Think about what you can do to protect one of the most amazing animals on earth. in order to为了 store /stɔr/ v. 储存(storage n.储存) use sth to do 用...去做... paly a part/ role in 在...上发挥作用 n. 生态系统 ..的数量 思考 /prəˈtɛkt/ v. 保护 protect...from...保护..不受..侵袭 关于蜜蜂另一个有趣的事情是它们如何沟通 它用舞蹈告诉其他蜜蜂食物在哪里以及有多远 思考一下你能做些什么来保护地球上最神奇的动物之一 在地球上 Exercise-填空题 Bees are one of __________________(interesting) animals in the world. How are plants and animals ______________(connect) with us? I felt ______________(disappoint) when my favourite flowers died. They teach you how to plan your time well or how to find ___________(happy). We should understand the ___________(important) of labor. connected disappointed happiness importance the most interesting 4.如果你想上网,你的电脑应该连接到互联网。 Your computer should ____ ___________ ________ the Internet if you want to be online. 5.简经常在晚饭后打扫房子，实际上，她非常享受做家务。 Jane often ________ ________ the house after dinner in the evening. ________ ________, she enjoys doing the housework. 1.为了让树更好地生长，我们切掉了树的顶部。 We cut off the top of the trees_____ ______ _____ make them grow better. 2.亚马逊雨林是无数动植物物种的栖息地。 The Amazon rainforest _____ ______ _____ countless species of plants and animals. 3.一场猛烈的暴风雨袭击了这座城市。由于这个原因,举办方把运动会推迟了。 A bad storm hit the city. _______ ______ _______, the holder put off the sports meeting . in order to is home to For this reason Exercise-完成句子 be connected with/to cleans up In fact Must-do 必做 1.Write a short summary of the text within 100 words. Choose to do 选做 1. Write some actions to protect bees. Homework Lavf58.20.100 Blues 110496.0 $