高中英語(yǔ)選修Book6Unit5ThePowerofNature

1、Book 6 Unit 5 The Power of NatureThe First Period Reading廣西南寧市南寧外國(guó)語(yǔ)學(xué)校 林萬(wàn)春Teaching goals 教學(xué)目標(biāo)1. Target language 目標(biāo)語(yǔ)言a. 重點(diǎn)詞匯和短語(yǔ)volcano, erupt, compare with, hurricane, adventure, bored, excite, evaluate, unfortunately, burn to the ground, eruption, fountain, absolutely, fantastic, made ones way, poten

2、tial, impressiveb. 重點(diǎn)句式 P341. Having collected and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how fast. P342. I was about to go back to sleep when suddenly my bedroom became as bright as day. P343. However, the most important thing ab

3、out my job is that I help protect ordinary people from one of the most powerful natural forces on earth the volcano. P342. Ability goals 能力目標(biāo)Enable the students to learn about the powerful natural force volcano and the work of an volcanologist. 3. Learning ability goals 學(xué)能目標(biāo)Help the students learn h

4、ow to analyze the way the writer describes his exciting job.Teaching important points 教學(xué)重點(diǎn)Read the text and answer the questions in Comprehending Exercise 2.Teaching difficult points 教學(xué)難點(diǎn)Retell the writers first sight of Mount Kilauea eruption.Step Warming UpLead the students to the topic by telling

5、 them a story. Then get the students to describe a volcano eruption according to the diagram. After they are familiar with the topic, let them list some other powerful natural forces and discuss the ways human beings protect themselves from the natural forces.T: Listen to me carefully. I will tell y

6、ou a story about a strange city. The strange city named Pompeii is a dead city. No one has lived there for nearly two thousand years, yet every year thousands of people travel from distant countries to visit it. It died suddenly in a terrible rain of fire and ash. Tons of hot ash fell on Pompeii, hi

7、ding it from sight. For three days the sun didnt break through the clouds of ash in the sky. Then the whole city shook and buildings fell down. When everything was calm, Pompeii was buried deep. A city disappeared and people there lost their lives too. Can you guess what had happened to the city?S1:

8、 There must have been a terrible earthquake. After the terrible quake, everything was destroyed. T: Yes. Its one kind of the causes. Any different ideas?S2: Maybe a volcano erupted and a terrible rain of fire and ash fell on the city. T: You got it! Mount Vesuvius, which had slept quietly for centur

9、ies, erupted suddenly. It destroyed the city Pompeii. How terrible! Have you ever seen a volcano erupting? Please turn to page 33. Look at the diagram. Describe a volcano erupting using the diagram and the given words.S3: When boiling rock erupts from the volcano, the red hot lava rushes hundreds of

10、 metres into the air and a cloud of ash goes straight up into the air. Ash cloud forms. Rocks, fire, ash fall onto the ground. The lava flows slowly down the mountain. It buries everything in its path under the molten rock.S4: Sometimes, volcano erupting can cause some other disasters like earthquak

11、es, fire and ground sea.T: How powerful the nature is! The lava can buries everything in its path. A volcano erupting can damage a city. A flood can carry everything in its path, while a fire will damage everything it meets. It seems that we human beings are powerless in front of these natural force

12、s. What can we do to protect ourselves from powerful natural forces? Please work in groups of four to list some other natural forces and discuss the ways that human beings protect ourselves.A few minutes later.T: Who would like to share your opinion with the class?S5: Id like to talk about volcano.

13、Sometimes, the volcano gives warnings in the form of many small earthquakes. And scientists can provide warnings of possible volcano explosions with the help of equipment. So the government can help people who live near the volcano leave their homes before erupting.S6: We are more familiar with fire

14、. In fact, it can be avoided most of the time, if we are careful in our daily life. I know a way of controlling the fire. Firefighters burn the trees which are in the path of the fire, so there is nothing to burn when the fire arrives.S7: Flood always happens in the south of our country. Predication

15、 is very important. Scientist keep observing the level of the water during the summer. People strengthen the bank and move to higher land.S8: We have learned more about earthquakes. People have learned many ways to protect themselves. For example, earthquake happens, if you are in bed, stay where yo

16、u are and protect your head with a pillow. If you are outdoors, find a clear spot away from buildings, trees and streetlights. S9: I think the best way is to move to a safer place where fire, earthquake, flood and hurricane will never happen. Step Pre-readingGet the students to answer the six questi

17、ons on page 33 to find out whether they will enjoy working as a volcanologist. And then get them to talk about the occupation according to the questions.T: I see. Prediction is very important. We can say scientists play an important part in protecting people from natural forces. Would you like to st

18、udy volcanoes? And do you want to be a volcanologist?Ss: Yes.T: Lets test whether you are suitable for this job or not. Answer “yes” or “no” to these questions on page 33.The students answer the questions to see if they are suitable to be a volcanologist.T: Are you suitable for the job? Who can tell

19、 us what kind of person can be a volcanologist?S1: First he must be brave enough because he must climb into a live volcano to take the temperature of the boiling rock inside.S2: I think interest is the most important. He should show great interest in studying rocks and volcanoes.S3: He should be int

20、erested in travelling to unusual places and like adventure in his life. S4: If you want to be a volcanologist, you should enjoy working outside because a lot of work need to be done outdoors.Step 1. Scanning. Find out main ideas for each part and the text.1. Para (1-2): The writers _ and its _ .2. P

21、ara(3-4): The writers _of watching the volcanic eruption.3. Para(5): The _ for the writers enthusiasm about his job.4. The main idea of the article: The writer expressed his _ for his job as a _ and told us one of his unusual _in Mount Kilauea, Hawaii.Step 2. Pre-reading. Choose the best answer.1. W

22、hich of the following is not the factor that makes the writers job the greatest in the world? A. its dangerous but exciting. B. the writer can travel to unusual places and meet people from all over the world. C. the writer can earn a lot of money. D. the writer is helping protecting people from the

23、volcano.2. What does a volcanologist not need most? A. knowledge of spaceships. B. research skills. C. skills of operating scientific equipment. D. observing skills.3. What does the writer find impressive about volcanoes even after studying them for many years?A. The author was wearing special cloth

24、ing that made it difficult to walk.B. The writer finds their beauty and their potential to cause great damage very impressive.C. The scientists needed to get samples of the lava so they could study them.D. The light was caused by the red-hot rocks and gas that erupted from the volcano.Step 3. Carefu

25、l reading.I have the _ job in the world. I am never _ with it. Although it is occasionally dangerous, I dont mind because danger _ me and makes me feel _. I think my job is the most _ because I can help _ people from danger of volcanoes. I am a _ working for HVO. Our work has _ many lives but unfortunately we can not save their _. I have _ a volcano eruption in Hawaii. I was _ asleep when my bed began _ and I heard a _ sound, like a _ passing nearby. Then I found my bedroom was as _ as day, and red lava was _ hundreds of meters into the air. The next day, three of us wanted t