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Unit 5 The power of nature

Ⅰ. 单元教学目标

技能目标Skill Goals

▲Talk about volcanoes and the work of volcanologists

▲Practise expressing fear and anxiety

▲Learn the -ing form used as adverbial in a sentence

▲Write about an experience in a natural disaster and hot pools at Changbaishan



Ⅱ. 目标语言

功

能

句

式

Expressing fear and anxiety

I was so excited about what I had done and where I was, I forgot my fear.

I was very worried that ...

I was very relieved when ...

I was trembling almost as much as the ground under my feet.

I was still terrified.

I was so nervous that my whole body was damp with sweat.

I was so anxious that I couldn’t move for a long time.

I had to force myself not to panic.

Then I got up the courage to ...





词 汇

1． XX词汇

volcano, erupt, eruption, ash, hurricane, adventure, bore, excite, evaluate, unfortunate, unfortunately, fountain, absolute, absolutely, fantastic, crater, potential, impress, impressive, precious, novelist, cancel, effort, relieve, tremble, sweat, anxiety, anxious, panic, courage, typhoon, heaven, diverse, diversity, unique, bathe, swallow, guarantee

2． 认读词汇

volcanology, volcanologist, observatory, lava, Mount Kilauea, molten, crane, leopard, Siberian, spectacular, crystal, crystal clear, peak, persuasion, Manchu

3． 词组

compare ... with, burn to the ground, make an effort, make one’s way, glance through, vary from ... to ...

4． 重点词汇

volcano, ash, lava, adventure, erupt, excite, fountain, fantastic, impressive, relieve, anxiety, anxious, panic, courage





重

点

句

子

1. Having collected and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how fast. P34

2. I was about to go back to sleep when suddenly my bedroom became as bright as day. P34

3. However, the most important thing about my job is that I help protect ordinary people from one of the most powerful natural forces on earth — the volcano. P34

4. It wasn’t very easy to walk in these suites, but we slowly made our way to the edge of the crater and looked down into the red, boiling centre. P35

5. The height of the land varies from 700 metres above sea level to over 2,000 metres and is home to a great diversity of plants and animals. P39



Ⅲ. 教材分析与教材重组

教材分析

本单元以The power of nature 为话题，旨在通过单元教学使学生了解火山爆发、地震、台风、洪水等自然现象，认识到自然的伟大力量，并会用所学词汇描述在经历自然灾害时的感受，思考人类应对自然灾害的态度和方法，提高自我保护意识。

1.1 Warming Up通过对火山爆发示意图的讨论激活学生了解与本单元话题相关的背景知识，而后通过讨论人类应对自然灾害的措施引发学生对本单元话题的思考，激发学生的求知欲，为随后进行的听、说、读、写打下基础。

1.2 Pre-reading通过回答问题测试自己是否适合作火山学家，让学生了解这一陌生职业，为阅读做好准备。

1.3 Reading部分一位火山学家以第一人称的形式讲述了自己的工作及第一次目睹火山爆发时的情景和心情，描写了人与自然的斗争与和谐相处的乐趣，使学生认识到火山是美丽的，但同时极具破坏力，而火山学家的工作可以减少由火山引发的损失。

1.4 Comprehending设计了两种题型：第一题要求学生在阅读后回答相关问题；第二题检测学生对文章细节的理解。

1.5 Learning about Language 分为词汇和语法两部分。词汇部分着重从词的意义用法和表达方面对学生学习词汇给予指导；语法部分学习ing 形式在句子中作状语表示时间、原因及结果。

1.6 Using Language以语言实践为目的，包括四个部分的内容。Listening and speaking 三位火山学家讲述了他们各自最惊险的一次经历。学生在练习听力的同时学会描述害怕和紧张的词汇。Speaking 是Listening的延续。要求学生讲述自己类似的经历，同时在运用中巩固单词。Reading 介绍了旅游胜地 The Lake of Heaven, 培养学生快速获取信息的能力。Writing 与Reading 属于同一话题，要求根据所给信息写一篇介绍Hot springs的作文。

1.7 SUMMING UP与LEARNING TIP有助于学生自我检测，便于及时复习。通过学习同根词、同类词，告诉学生在学习中要勤于总结。

1.8 Workbook 围绕中心内容从听、说、读、写四个方面对其做进一步的补充和深化。

2. 教材重组

2.1将Warming Up, Pre-reading, Reading 及Comprehending 组合在一起，上一节阅读课。

2.2将Learning about Language，LEARNING TIP 与 Workbook 中的USING WORDS AND EXPRESSIONS, USING STRUCTURES 整合在一起，上一节语法课。

2.3 将Using Language 中的Listening 与Speaking设计为一节听说课。

2.4 将Using Language 中的Reading与Writing 设计为一节写作课。

2.5 将Workbook中的TALKING, LISTENING, SPEAKING TASK, WRITING TASK 组合起来，上一节综合实践课（1）。

2.6 将Workbook 中的READING TASK, LISTENING TASK与PROJECT设计为一节综合实践课（2）。

3. 课型设计与课时分配

1st Period Reading

2nd Period Language Study

3rd Period Listening and Speaking

4th Period Writing

5th Period Integrating Skills (1)

6th Period Integrating Skills (2)

Ⅳ. 分课时教案

The First Period Reading

Teaching goals 教学目标

1. Target language 目标语言

a. 重点词汇和短语

volcano, erupt, compare with, hurricane, adventure, bored, excite, evaluate, unfortunately, burn to the ground, eruption, fountain, absolutely, fantastic, made one’s way, potential, impressive

b. 重点句式 P34

1. Having collected and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how fast. P34

2. I was about to go back to sleep when suddenly my bedroom became as bright as day. P34

3. However, the most important thing about my job is that I help protect ordinary people from one of the most powerful natural forces on earth — the volcano. P34

2. Ability goals 能力目标

Enable the students to learn about the powerful natural force — volcano and the work of an volcanologist.

3. Learning ability goals 学能目标

Help the students learn how to analyze the way the writer describes his exciting job.

Teaching important points 教学重点

Read the text and answer the questions in Comprehending Exercise 2.

Teaching difficult points 教学难点

Retell the writer’s first sight of Mount Kilauea eruption.

Teaching methods 教学方法

Discussion, reading, speaking and cooperative learning.

Teaching aids 教具准备

A projector and some slides.

Teaching procedures && ways 教学过程与方式

Step ⅠWarming Up

Lead the students to the topic by telling 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 you 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, hiding it from sight. For three days the sun didn’t 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: There must have been a terrible earthquake. After the terrible quake, everything was destroyed.

T: Yes. It’s 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 centuries, 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 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 earthquakes, 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 forces. 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: I’d like to talk about volcano. 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. 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 内容过长，仅展示头部和尾部部分文字预览，全文请查看图片预览。 Canada, as far south as the Gulf of Mexico, and rattled chinaware in Washington, D.C. Because the U.S. Midwest was so sparsely populated, the death toll was light. Today New Madrid lies within 150 miles (240 kilometers) of two major metropolises: St. Louis, Missouri, and Memphis, Tennessee; and 325 miles (520 kilometers) from Kansas City, Missouri.

When a Midwest earthquake happens again, as experts say it surely will, the toll in human life and property destruction is expected to be ghastly.

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