| unit 17 |
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Period 1 Warming up & Listening Learning Aims 1.To encourage the students to think and talk about their science subjects and activate their relevant vocabulary at the same time. 2.To learn what should be paid attention to when doing an experiment in a lab and how to give instructions to others. 3.To train the students’ ability of listening for information. Learning Procedures Step 1 Warming up Today, we are going to talk something about the subjects you are learning. Q1: How many subjects are you learning now? Q2: What are the subjects in which you learn science? Is it easy for you to learn them? 1). Group work Divide the whole class into two groups, one group is going to talk about the question “ What do you learn about for each field of science?”, and the other “How are you learning these subjects?” Write down the result of the discussion in a card, and choose the best member to do the report. 2). Class work Enjoy some pictures about the facilities in labs and students doing experiments in labs. Q: Which subjects are connected with these pictures? Do you often do experiments in the lab? Step2 Pre-listening 1).Group work Is it necessary for you to do experiments in the lab? List the reasons in the card and see which group can find more. 2).Class work Do you still remember what your teacher often remind you before, when and after you do an experiment? Divide the whole into several groups to have a competition in class and see which group will win the game. Step 3 Listening 1). Listen to what Mr. Zhu is talking to his students for the first time, focusing on the subjects mentioned in the passage. 2). Listen to the tape for the second time to write down some key words to the questions and check with the partners. 3). Listen to the tape for the third time. Understand the whole passage fully and check if the answers are complete, especially pay attention to different structures of giving instructions. DOS DON’TS Follow / teacher’s /instructions Don’t come into / without … Be careful about / when… Don’t touch… / unless… Always listen carefully to… Don’t throw… / unless… Clean…away and leave …clean and neat Don’t forget to… You should tie…up Never put / nose directly into… Remember that… Never put /fingers into/ and taste… Make sure that… Step 4 Post-listening 1). Group work List what you can do and can’t do in a lab as much as possible in groups. Knowing the rules in a lab is very necessary for the sake of our safety. Suppose you are a chemistry teacher, and you are going to make an announcement to your students to give them some instructions before an experiment. 3). Group work Design the rules for the chemistry lab of your school in groups and put it on the wall in the classroom. Homework: Task 1. Have a discussion to find out the best rules for the lab and recommend it to the school leader. Task 2. Preview Speaking and try to search for some information about the new inventions and discoveries. Period 2 Speaking Learning Aims 1. To learn to cooperate with partners to analysis a problem in different views. 2. Enable students to describe the advantages and disadvantages of something in specific words. Learning Procedures Step 1 Warming-up Daily report 1). Class work Watch a video about the successful launch of ShenZhou V manned space flight in China. Nowadays, more and more new inventions and discoveries are made all over the world. 2). Brainstorming List the words they’ve learned about the new scientific inventions and discoveries. Then have a short introduction to Maglev train. Step 2 Pre-speaking 1). Pair work Read the dialogue aloud to finish the following form: inventions advantages disadvantages Maglev train 2). Group work Discuss how you can talk about the advantages and disadvantages about some new inventions and list the relevant words and phrases an many as possible. Advantages Disadvantages It’s good for… It is too expensive It can help… It is dangerous to… It is important for… It is unnecessary to.. It brings people… Some people will use it for… It doesn’t pollute… It is bad / or harmful for… Step 3 While speaking 1). Group work Enjoy some pictures about some new inventions. (Cloning, Nuclear energy, Computers and Space flight ) Each group is to choose one of them to have a discussion and list the advantages and disadvantages. Exchange the ideas with the whole class. 2). Pair work Make a dialogue in pair to talk about one of the inventions, using the structures to show your agreement and disagreement, such as I’m afraid…/ I can’t agree with you./ I don’t think so. / In my opinion… And then act it out. Step 4 Post-speaking 1). Debate The scientific technologies are improving very fast. Some of them are widely accepted and applied, while some are still being argued about by people. Cloning humans is still one of them. In your opinion, do you think it good to do so all over the world? Divide the whole class into two groups to have a debate and see which group will perform better. 2). Imagination If you were a scientist many years later after you graduated from universities. Do you think what you would try to invent or discover? And why do you think so? Homework: Task 1. Read the following poem ,and then try to imitate it and write down a similar one, of course, about other inventions. Compute A compute is a machine. A computer is interesting. A machine is useful. I can study a computer. I can use it. Who made it? Humans being made it. I am a human being. am warm. I am wise. I have empathies for animals and people. I conductor a computer. A computer does not conductor me. Task 2 Find out one interesting story about some famous scientists and retell it in your own words. |
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