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1、Unit 5 The power of nature 教学目标1). Knowledge aim:Make students learn a little more information about volcanoes.2). Ability aim:Offer students a thorough understanding of the text.Train students abilities of skimming, scanning and detailed reading.3). Emotional aim:Make students learn about what it w
2、ill take to take up an occupation. 教学重点1)本单元的生词和短语。2) 现在分词作状语的各种形式。3)了解自然灾害的有关情况以及怎样预防等。 学时难点1)了解火山爆发的原因。2)学会表述恐惧、担忧和惊奇等情感的日常交际用语。3)学习描述一种自然灾害，进行写作训练。 教学活动 活动1【讲授】I. Warming-upWord bank:Use pictures and word meanings to learn the following new words:volcano n. 火山 eruption n. 爆发lava n. 岩浆 crater n. 火
3、山口bored adj. 无聊的；烦人的 evaluate vt. 评价；估价molten adj. 熔化的；炽热的 fountain n. 喷泉 v. 喷出absolutely adv. 绝对地 fantastic adj.不可思议的suit n. 一套外衣 potential n.潜能；adj.潜在的burn to the ground 全部毁灭 make ones way 前进Mount Kilauea 基拉韦厄火山1. Use a picture to learn new words: volcano, eruption, lava, crater2. Write new words
4、according to the definitions: feeling tired and uninterested (bored) value of (sb/sth); assess (evaluate) outbreak of a volcano (eruption) throw something like water into the air (fountain) qualities that exist and can be developed inside sb. or sth. (potential)3. Watch a video clip (录像片段), and tell
5、 us what you think of the volcano eruption.II. SkimmingToday we will learn a new passage “A exciting job”.Task 1: (Now I give you only 3 minutes to) Skim the passage and then answer the following question:Whats the main idea of the passage?The writer expressed his _ for his job as a _ and told us hi
6、s first sight of an _ in Mount Kilauea.Key: love/enthusiasm, volcanologist, eruption.Reading skill: When skimming, finding the key words will help you get the main idea and the structure of a passage.Task 2: How many parts can we divide the passage into? Then match the main idea of each part.Part on
7、e (Para. 1-2) His love for his job and volcanoesPart two (Para. 3-4) Description of his first sight of an eruptionPart one (Para. 5) Description of his job as a volcanologistIII. ScanningTask 1: Scan Part 1, and fill in the column:My job as a volcanologistAttitudetowards the jobI have the greatest j
8、ob in the world.ReasonsDanger excites me and makes me feel alive.I help to protect people from the volcano.What to doI collect and evaluate the information about Kilauea.I help other scientists to predict lava flow direction.Scan Part 2, and fill in the column:My first sight of an eruptionDuringthe
9、eruptionfeelMy bed began shaking.hearI heard a strange sound, like a railway train passing outside my window.see1. My bedroom became as bright as day.2. Red hot lava was fountaining hundreds of metres into the air.3. It was an absolutely fantastic sight.Afterthe eruptiondo1. We had white protective
10、suits.2. We slowly made our way to the edge of the crater.3. The other two climbed down into the crater to collect some lava for later study.Task 2:Retell the writers experience during the eruption in the third person (第三人称).IV. Careful reading1: Having collected and evaluated the information, I hel
11、p other scientists to predict where lava from the volcano will flow and how fast it will flow.What does the word “it” refer to? (Para. 2)A. The information B. The volcano C. The lava2: Why is the lava more dangerous than the eruption itself? (Para. 3)_3: Which sentence in Para. 3 is the closest in m
12、eaning to the following one?I didnt care about the strange sound because of too many earthquakes in Hawaii._4: Translate the following sentence in Para. 4 into Chinese.Having earlier collected special clothes from the observatory, we put them on before we went any closer._5: Paraphrase (改述) the foll
13、owing sentence with the help of “not onlybut also”:I am still amazed at their beauty as well as their potential to cause great damage._V. HomeworkNow that the volcano can cause so much damage and influence our life, what can we do to prevent it? After class write an article, state your measures to solve it.课堂小结：Get Ss to compare life at present and life in the future. Find out the changes on several items. Try to distinguish which changes are good and which are not good.自我评价：作为老师，能组织好一节阅读课，让学生做到跟上老师的问题，回答老师提出的指令，让学生对课文有深刻的印象。
