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1、 Unit 2 DNA Lesson 9: Whats a “Horkey”? Teaching Content Mastery words and expressions: helpful, at the same time Oral words and expressions: DNA, combine, juicy, mule, donkey Teaching Aims: 1. Know more about cloning. 2. How to combine two different things. Teaching Important Points: 1. Talk about
2、the ability and inability. 2. The use of coordinating conjunctions. 3. Combine two different things. Teaching Difficult Points: Talk about the ability and inability. Teaching Preparation: pictures Teaching Aids: flashcards, audiotape, pictures Type of lesson: new lesson Teaching Procedure: Step1. Le
3、ad in the class by showing some pictures about combining to the students. They may be about different things, such as food, fruit, animals and other things. Step2. Listen to the tape and answer the following questions: 1. Can Danny combine a donut and a pizza? 2. Who wants to combine a cow and a chi
4、ck? Let the students answer the questions with the help of the pictures. Finish the task in oral in class. Step3. Read the text and fill in the blanks with the correct words. 1. We can combine two different _ or two different _. 2. Brian would combine _ and _. Look through the whole text quickly and
5、 answer the questions in class in oral. Step4. Encourage the students find the new words in this lesson. Give more examples and let the students understand more about the words. I would combine a donut and a pizza. Then I could have breakfast and lunch together. Then I would have little, juicy banan
6、as. Do you know what a mule is? It has a horse as mother and a donkey as a father. Step5. Read the text again and encourage them to find more questions about the text. One student stands up and asks a question. The others who want to answer can stand up and answer it as quickly as he can. For exampl
7、e: 1. What would you combine? 2. What about combining a duck and a deer? 3. Can we combine apples and bananas? Step6. Come to “PROJECT”.Finish the task in groups of three or four students. Think about something that is combined by two different things. Each of the group writes his answer down and sh
8、ows it to others. Then choose the most meaningful one to study. What will your group combine? What if you combine the two things? What can it do for us? Whats its advantage? Talk about the questions above, then sum their ideas. Give a report in front of the class. Demonstrate your ideas. Describe th
9、e thing that you combine in detail. Describe its advantages and disadvantages. Step7.Homework 1. Finish off the exercises in activity book. 2. Go on the next reading in the student book. Summary In this lesson, we learn to combine two different things together. In order to get new living things, we
10、must make full use of our imagination. What can the things that we combine are used for? It is important for us to discuss. During the discussion, we practice our spoken English.Lesson 10: What is DNA?Teaching Content: Mastery words and expressions: generally, twin, clone, not onlybut also Oral word
11、s and expressions: blueprint, identical, egg, identify Teaching Aims: 1. Know how to write a passage on science. 2. Learn something about DNA. 3. Know more about our body. Teaching Important Point: 1. Master the words and expressions of this lesson. 2. The ability and inability. 3. The use of coordi
12、nating conjunctions. Teaching Difficult Point: The use of DNA. Teaching Preparation: pictures Teaching Aids: flashcards, audiotape, pictures Type of lesson: new lesson Teaching Procedure: Step1.Lead in the text by discussing what DNA is. Divide the class into several groups. Then talk about the subj
13、ect for several minutes. Then one of the groups presents their opinions in front of the class. Step2. Listening task: Listen to the tape and fill in the blanks with the correct words you hear. 1. Generally speaking, a _ is a drawing. 2. _ for identical twins, each living thing has its own unique DNA
14、. Play the tape once. Then let the students try to finish the task in class in oral. Step3. Reading task: Read the text quickly and answer the following questions:1. Where does your DNA come from? 2. Is your DNA in every part of your body? Finish the reading task in class in oral. Try to get more in
15、formation about the text at the same time. Step4. Read the text again. Find the sentences with the new words. Try to create situation about the new words. Then make sentences with the new words. If someone can make a whole story with the new words that we learn in this lesson, the teacher must encourage her. The sentences with the new words: Generally speaking, a blueprint is a drawing. Identical twins are two children that grew from the same egg. They are clones. From your DNA, scientists can identify not only you, but also people related to you. Step5.Let some students
