Unit 3 Science and Technology Lesson 2 A Geography Lesson 教案（4课时）

Lesson 2 A Geography Lesson Period 1 Teaching Objectives 1．To enable the students to use the passive voice (in the simple past tense). 2．To enable the students to talk about natural disasters. 3．To enable the students to care for the victims and to protect the environment. Teaching Focus and Difficult Points 1．Teaching Focus: （1）Key words and expressions: Homeless, period, whole, predict, injured, situation, hunger, suffer, illness, battle, immediately, gather, wounded, church, peace, the Red Cross, at present, on business, for lack of, call on, care for. （2）Victim, Chile, PowerPoint, banker, brilliant. 2．Sentence Patterns: （1）The whole town was destroyed, and 242,000 people were killed. （2）Lots of villages were destroyed, and cities were damaged. （3）Let’s see what you have found. （4）Now you see how destructive earthquakes are! （5）Do you know how people help the homeless? （6）As soon as they learn the news, they donate money, food, clothes and water to the victims. （7）When you grow up, you will be able to solve this problem. Teaching Procedures I. Warming-up: A Guessing Game: It has no color, smell or shape. It can be changed into ice or gas. It is so precious that it is called liquid gold. It is seen almost everywhere. What is it? (WATER) II. Revision: 1．Quick Responses: How much of the Earth’s surface is covered with water? How much water is salt water in the sea? How much water is fresh water? What do we use water to do? Do we have enough water? What can we do to save water? What can we do to protect the Earth? 2．Daily Talk Say something about the importance of water and how we must do to save water. III. Presentation: We know water is very important in our life. We can’t live without water. Neither animals nor plants can live without water. So we must save water and protect our home-the Earth. If we don’t protect the Earth, we’ll have to face with many disasters, such as earthquakes, floods, typhoons, fires and so on. A terrible earthquake hit Wenchuan on May 12,2008.Thousands of people were killed．Many more people became homeless. They lost their houses and became victims. The Red Cross reached there as quickly as possible. They tried their best to save lives. (New words: earthquake, homeless, victim, the Red Cross) IV. New Words: 1．Teach new words “earthquake, homeless, victim, the Red Cross” according to the pictures. 2．Ask the students to read the new words by themselves. Correct their mistakes if they have any. 3．Play the recorder. Ask the students read the new words after the recorder. Try to imitate the pronunciation. 4．Read the new words individually. Correct the mistakes if there are any. Then read the words in chorus. V. Meanings of the new words: 1．Homeless=having no home, without home. 2．Victim =person suffering pain, injury, loss, etc. 3．Period=a particular length of time. 4．Whole=full, complete. 5．Predict=forecast, say in advance that something will happen. 6．At present=at the moment, no ... ...