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1、 课题Unit 5 The Secret Language of Plants课型Reading课时 1Learning aims1. After this class, I can2. 1. Grasp the important words and phrases such as link, detect, fungus, fungal, cybercrime, wood wide web, get attacked by.3. 2. Get familiar with the various ways to communicate and retell how the chemical
2、works;3. Learn to build up a nice relationship with plants and live in harmony with the plants; 4. 4. Be eager to explore more secrets about the nature.Important and difficult points1. To make the students know the plants communication ways2. To express their own ideas about different animals commun
3、ication.3. To appreciate the sentences with personification.合作探究课堂设计学生随堂手记【Before class】. 单词荟萃1. 发现，察觉v. _2. 侦探 n. _3. 真菌 n. _ 4. 真菌的 adj. _5. 根 n. _ 6. 把.联系起来；连接v. _5.黄蜂 n._ 6.辣椒 n. _. 短语荟萃 1. _ 神话传说中的一大元素 2. _ 与.交流3. _ 据说某人做了某事 4. _求救5. _给予人们忠告和警示 6. _ 被.袭击 7. _终究，毕竟 8. _ 赶跑9 _ 释放微量的化学物质 10. _ 植物万
4、维网11. _也会发生网络犯罪 12. _从.偷某物【During class】: Before readingActivity 1: Watch a video about one behavior of plants. While readingActivity 1: Skim the passage and answer the questions Find out the 3 ways in which plants communicate._Activity 2: Get the detailed information of para3-para5a. Look at the tw
5、o pictures and observe what happened. (para 3)What do the chemicals work and whats the plants reaction. b. Listen to the plants sound and which part of plant can make the noise.c. Fill in the blanks. Activity 2: understand stages of exploration to plants.Plants can talkThink: Why do we have so many
6、legends and stories about talking trees? (para1)_Can you predict what are ways of communication between people and plants. (para6)_Activity 3: Share what youve learned.IntroductionMain body ( First of all, Meanwhile / Whats more / At last)conclusion: After readingActivity 1: Discuss the animals comm
7、unication ways and present their ideas by using useful expressions. (group activity)Activity 2: Summary Our world is far_ than the world we can see and hear. Our senses are weak. So we should_.V: Homeworka. Write a summary about the passage of the secret language of plants (within 60 words).b. Write
8、 a story about you and plants or animals.【After class】When a leafy plant is under attack, it doesnt sit quietly. Back in 1983, two scientists, Jack Schultz and Ian Baldwin, reported that young maple trees getting bitten by insects send out a particular smell that neighboring plants can get. These ch
9、emicals come from the injured parts of the plant and seem to be an alarm. What the plants pump through the air is a mixture of chemicals known as volatile organic compounds, VOCs for short. Scientists have found that all kinds of plants give out VOCs when being attacked. Its a plants way of crying o
10、ut. But is anyone listening? Apparently. Because we can watch the neighbors react. Some plants pump out smelly chemicals to keep insects away. But others do double duty. They pump out perfumes designed to attract different insects who are natural enemies to the attackers. Once they arrive, the table
11、s are turned. The attacker who was lunching now becomes lunch. In study after study, it appears that these chemical conversations help the neighbors. The damage is usually more serious on the first plant, but the neighbors, relatively speaking, stay safer because they heard the alarm and knew what t
12、o do. Does this mean that plants talk to each other? Scientists dont know. Maybe the first plant just made a cry of pain or was sending a message to its own branches, and so, in effect, was talking to itself. Perhaps the neighbors just happened to “overhear” the cry. So information was exchanged, bu
13、t it wasnt a true, intentional back and forth.Charles Darwin, over 150 years ago, imagined a world far busier, noisier and more intimate (亲密的) than the world we can see and hear. Our senses are weak. Theres a whole lot going on.32. What does a plant do when it is under attack?A. It makes noises. B.
14、It gets help from other plants.C. It stands quietly. D. It sends out certain chemicals.33. What does the author mean by “the tables are turned” in paragraph 3?A. The attackers get attacked. B. The insects gather under the table.C. The plants get ready to fight back. D. The perfumes attract natural enemies.34. Scientists find from their studies that plants can .A. predict natural disasters B. protect themselves against insectsC. talk to one another intentionally D. help their neighbors when necessary6