新人教版高中英语选修2Unit 1 Science and Scientists-Using langauge教学设计（精修版）

Step2: Ask students to listen to the conversation and see if their answers for Activity 2 are correct. Then write down the letters (A-E) for the photos in the order that students hear them described.keys: DCEBAStep 3: .Ask students to listen again and complete the descriptions of the photos abovePhoto A: A giant dish; when you speak into it, it _________________ the sound back and _____________.You can use it to speak in a_____________ to someone 17 meters away,Photo B: A giant ____________.that you can use your feet to play. Instead of playing the sounds of a piano, it plays the voices of________________.Photo C: You look at a blue screen for a while, and then suddenly you can see________________ moving around on it. These are our_______________________Photo D: A______________________ where you can see yourself reflected thousands of times.Photo E: You stand in front of_______________ and it casts different shadows of you, in________________________ the rainbow.keys:A: reflects; makes it louder; whisper;B: piano keyboard; classStep 4: Ask students to discuss the following questions in groups:1. The conversation is about the City of Science and Industry, a museum in Paris. Would you like to go to this museum? Why or why not?Yes . I can learn a lot about science and it can broaden my horizons.2. Are there any museums like this in China? What other interesting museums are there?Yes. There are other interesting museums such as art museum or museum about science and technology.Step 5: Instruct students to make a short presentation to the class about your choice. Use the example and useful phrases below to help them.EXAMPLEToday, I want to talk to you about a very strange phenomenon called a non-Newtonian fluid. You can make it easily using equal parts of water and cornflour, like I have here. Anon-Newtonian fluid is strange because you can pour it like a liquid, but if you put any pressure on it, it suddenly becomes hard as concrete. In fact, it becomes hard enough to stand on. Then, as soon as you take the pressure off, it becomes a liquid again. This shows that it is possible that something can exist as a liquid and a solid at the same time.