yangmin教案Reading

1、ReadingTeaching goals 教学目标1. Target language目标语言重点词语：theory, atom, billion, globe, violent, carbon, atmosphere, fundamental, harmful, acid, multiply, oxygen, exist, prevent, dioxide2. Ability goals 能力目标a. Enable Ss to talk about the science of the stars, the development of life and space travel and

2、gravity.Where do we come from?How did the universe begin?Why is the universe the way it was?How will it end?How much do you know about universe?Do you want to have a space travel?Do you know something about gravity?b. Understand the text and answer the following questions:What was there on the earth

3、 before life could begin?Why do scientists think there has never been life on the moon?Why did animals first appear in the seas?Why did green plants help life to develop?Why were mammals different from other animals?c. Enable the Ss to understand the details about the passage, choosing the correct a

4、nswer according to the text and put the order of development of life into a time line and answer questions.d. Retell the passage using key sentences.3. Learning ability goals 学能目标Enable Ss to learn how to talk about the beginning of life on the earth.Teaching important points教学重点a. Talk about the be

5、ginning of life on the earth.Why did animals first appear in the seas?Why did green plants help life to develop?b. Discuss the order of development of life.Teaching difficult points教学难点a. Understand the beginning of life on the earth.b. Discuss the questions:What will our future be if the earth may

6、become too hot for the lives on it?Why are humans the cleverest animals on the earth? Teaching methods教学方法a. Skimming and scanning.b. Asking-and-answering activity to check the Ss understanding of the text.c. Individual, pair or group work to finish each task.d. Discussion.Teaching aids教具准备A recorde

7、r, a computer and a projector.Teaching procedures & ways教学过程与方式Step I Warming up Enjoy a video clip and answer the following question What can you see in the video clip?Step II Predict the topic of the class. That is how life began on the earth.Step Listen to the passage and match the main idea

8、with each paragraph. Step IV Fill in the blanks in the following forms.TimeWhat happenedBig Bang_ began to form and combine to create stars and other bodies.Between 4.5 and 3.8 billion years agoDust settled into a solid and _ globe.The earth exploded to produce its _.The continued _ of water allowed

9、 the earth to dissolve harmful gases and _ into the oceans and seas.Many millions of years laterThe first small plants on the surface of the water produced _.Early _ and all sorts of fish appeared.Green plants began to grow on land. Insects and _ appeared.Many millions of years later_ appeared and t

10、hey laid eggs.Dinosaurs developed, laid eggs and _ for more than 140 million years.Mammals rose and _ babies.NowHumans produce too much carbon _, making the earth too hot. Step V 高考链接1，Why was the earth different from other planets?A. It produced a lot of heat. B. The water remained.C. Water disappe

11、ared. D. It was the oldest planet.2，What is the main idea of this passage?A. It tells us how life begins to appear on the earth. B. It tells us why green plants grow before animals. C. It tells us water plays an important role in the development of life.D. It tells us the earth is not too hot and no

12、t too cold.3，Why was it necessary for plants to grow before animals?A. Animals needed plants to protect them from the sun. B. Plants provided oxygen for animals to breathe.C. Animals could hide from hunters in forest.D. It was easier for plants to grow.4, According to the passage, what problem is ca

13、used by humans?A. They exist everywhere on the earth.B. They cause global warming.C. They find new methods of growing crops.D. They enjoy hunting and fishing.Summary the development of life on the earthWith pictures I show the the development of life on the earthWe all know our earth is changing worse and worse. Therefore, please make up a dialogue about what we should do to pr