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1、2019-2020年高二英语教案Unit13 The Water Planet 人教版The topic of this unit is “water”, including the properties of water, estuaries, the ocean and the importance of using and protecting our water. In the warming up, there are four experiments related to water for the Ss to tell the results and explain the re
2、asons. The listening part is about the story of an adventurous sea journey“The rime of the old mariner”, written by the English poet Coleridge. In the speaking part, Ss will see some pictures showing some examples of how we use water in different ways. Ss will talk with their partners about the impo
3、rtance of using and protecting our water. The reading passage is “the properties of water”, introducing the chemical structure, salinity, density, heat capacity and ocean motion. The language study is designed to get the Ss to do some vocabulay exercises and review the modal verbs. In the Integratin
4、g Skills, the Ss is given a passage about natures nursery: estuaries to read and write a paragraph to answer the questions, using the knowledge learned in this unit. To get more output from the Ss, we must give them more input. Reading is a kind of input. The main topic of the unit is “water”, so th
5、e Ss must know the basic knowledge of water at first so that they can use what they have learned about the matter to explain some phenomena and to have discussions with their partners. So I put the reading as the first lesson of the Unit and have the warming up activity as one of the reading activit
6、ies to check the Ss understanding of the reading passage. The second period is a kind of output, that is to have discussions about the using and protecting of water; while the third period is about the tale or story about water and the fourth period the protection of oceans.Period 1 ReadingGoals 1.
7、Provide the Ss with the opportunity to know about the water planet and the properties of water.2. Help the Ss explain some phenomena using the knowledge they learned from the reading material.3. Help the Ss know the importance of water to human beings and the planet.4. Improve the Ssability of readi
8、ng comprehension. ProceduresStep 1. Leading inShow the Ss the picture of “the water planet” and ask:Whats this?/ What color is it?/ Why is it blue?Then ask:1.What else have you learned about water and the water planet?2.what would happen if there were no water on our planet?3.Do you know any propert
9、ies of water?Purpose: 1. get the Ss to know the topic of this unitwater and the water planet.2. Arouse the Ss interest of learning the properties of water.Step 2. ScanningGet the Ss to scan the passage to know what properties of water are mentioned in the reading passage. (Explain some words of the
10、properties if necessary.)Purpose: To get the Ss to know the properties of water and train their ability to scan a passage.Step 3. Skimming Get the Ss to read the passage carefully and complete the chart below.PropertyWhat is it?What is it good for?Chemical structureDensityHeat capacityPurpose: To ge
11、t the Ss to know the details of the properties of water and train their ability of skimming.Step 4. ExperimentsGet the Ss to do the following experiments that will illustrate some of the key properties of water. Ask them to examine them carefully and explain what happens and why, using the informati
12、on from the reading material.Experiment 1: Pour water and vegetable oil into a glass. What happens? why?Experiment 2: Fill one glass with fresh water and another glass with salt water. Put an ice cube in each glass. What happens? Why?Experiment 3: put a piece of chalk in water for 24 hours. What hap
13、pens? Why?Then show them two pictures of people who are floating on the surface of Dead Sea. Ask them to explain how they can do this.Purpose: To help the Ss use what they have learned from the reading passage to explain some phenomena.Step 5. Concluding Ask:Why must we learn about the properties of
14、 water?Purpose: To draw a conclusion of the reading passage and get the Ss to know the importance of using and protecting water and raise their awareness of water protection. Period 2 SpeakingGoals: 1. Talk about using and protecting water. 2. Practise making suggestions and expressing opinions.Step
15、 1. Speaking Show the Ss some pictures that show some examples of how we use water in different wayselectricity, agriculture, home use, industry, transport and entertainment. Ss will talk with their partners about the importance of using and protecting our water.Provide them with the following quest
16、ions and the useful expressions to make suggestions and express opinions.Questions:1. How is the water being used in ?2. Why do we use water in this way?3. Is it a good way to use water?4. Who benefits from using water in this way?5. What are the disadvantages if doing so?6. Can you think of a better way to solve the problem?7. What will we do if ?Useful expre
