Unit 4 Space Exploration Listening and Talking 教案-2024-2025学年高中英语人教版（2019）必修第三册

教学设计 课程基本信息 学科 英语 年级 高一 学期 秋季 课题 Unit 4 Space Exploration-Listening and Talking 教学目标（Four-Dimensional Key Competencies） Knowledge & Skills Students will master the usage of the infinitive as attributive and adverbial. They can accurately identify and use relevant structures in sentences, like “The first satellite to be launched was Sputnik 1.” Also, they will be able to apply these grammar points to describe space exploration facts. Process & Methods Through analyzing examples, group discussions, and exercises, students enhance their ability to summarize grammar rules independently. They will practice using the infinitive in various situations, improving their language application skills. 重难点（Key and Difficult Points） Key Points Understand the basic forms and functions of the infinitive as attributive and adverbial. Be able to use them correctly in simple sentences related to space exploration, such as “The mission to explore Mars is challenging.” Difficult Points Distinguish between different meanings of the infinitive in complex contexts. Apply the infinitive accurately when expressing complex ideas about space exploration, like reasons, purposes, and results in long sentences. 教学过程 Today, we're going to focus on the "Listening and Talking" part of Unit 4 Space Exploration. As we all know, space exploration is an incredibly fascinating topic, full of wonders and mysteries. And through listening and talking, we'll be able to explore this topic from different angles. First, let's think about some key words related to space exploration. Can you name a few? [Pause for students' responses] Words like "astronaut", "spacecraft", "satellite", "orbit", "galaxy", and "cosmos" are all commonly associated with space exploration. These words will be very useful as we move forward with our listening and talking activities. Now, let's start with the listening section. I'll play a short passage about space exploration. While you're listening, try to catch the main idea and some important details. Pay attention to the pronunciation, intonation, and the speed of the speaker. [Play the audio] Okay, let's see if you can answer some questions based on what you've just heard. First question, what was the main topic of the passage? [Call on a student] Student: It was mainly about the difficulties of space travel, like the long distances and the harsh environment in space. Teacher: Excellent! You got the main idea. Now, can you tell me one specific detail about the difficulties? Student: It mentioned that the long journey in space can have a negative impact on astronauts' health. Teacher: Very good. The long - term exposure to zero - gravity and cosmic radiation in space can indeed cause various health problems for astronauts. This is one of the significant challenges in space exploration. Let's listen to the passage again. This time, I want you to focus on how the speaker describes these difficulties. Notice the words and phrases used. [Play the audio again] Who can share some of the words or phrases that were used to describe the difficulties? [Invite a student] Student: Words like "extremely long", "harsh environment", "cosmic radiation", and "negative impact" were used. Teacher: Exactly! These descriptive words help us better understand the challenges. For example, "extremely long" emphasizes the long - distance nature of space travel. "Harsh environment" gives us a sense of how tough it is in space. And "cosmic radiation" is a very real threat to astronauts' health. Now, let's move on to the talking part. We'll have a group discussion. The topic is "If you could be an astronaut, what would you most like to explore in space?" I'll divide you into groups of four. Each group member should take turns to share their ideas, and then you can discuss and exchange opinions. [Divide students into groups and give them time to discuss] [After a while, ask each group to report] Group 1 Representative: We think exploring Mars would be amazing. We could look for signs of past or present life there. Maybe there were some simple organisms on Mars before. Also, studying the Martian landscape and its atmosphere could help us understand more about the formation of planets. Teacher: That's a great idea. Mars has always been a focus of space exploration because of its potential for having once - harbored life. What about the other groups? Group 2 Representative: Our group wants to explore the rings of Saturn. The rings are made up of countless particles, and we're curious about how they were formed. Maybe we could also study the moons around Saturn. Some of them might have unique geological features. Teacher: Saturn's rings are truly a wonder of the solar system. Exploring them could reveal a lot about the early history of our solar system. Group 3 Representative: We would like to visit a distant star. We know it's extremely far, but if we could get close to a star, we could study its nuclear reactions. This could help us better understand how stars are born, live, and die. Teacher: Studying stars up - close would be a dream for many astronomers. Stars are the building blocks of the universe, and understanding them is crucial for understanding the big picture of the cosmos. Now, let's have a more in - depth discussion. Space exploration is very expensive. Do you think it's worth the huge investment? Why or why not? [Initiate a class - wide discussion] Student 1: I think it's worth it. The knowledge we gain from space exploration is priceless. It can help us understand the origin of the universe, and maybe one day, we'll find new resources in space. Teacher: That's a valid point. The pursuit of knowledge often requires significant investment, and space exploration has the potential to bring about revolutionary changes in our understanding. Student 2: However, I think the money could also be used to solve problems on Earth, like poverty and environmental issues. We have so many pressing problems here that need attention. Teacher: You make a good argument. There are indeed many challenges on Earth that require financial resources. But can we say that space exploration and solving Earth's problems are mutually exclusive? Student 3: Maybe not. Technologies developed for space exploration can sometimes be applied to solve problems on Earth. For example, satellite technology helps with weather forecasting and communication, which are important for our daily lives. Teacher: Exactly! Space exploration often drives technological advancements that can have far - reaching benefits on Earth. It's a complex issue, and there's no simple answer. Let's listen to another audio. This time, it's a dialogue between two scientists discussing future space exploration plans. Listen carefully and try to summarize their main points. [Play the audio] So, what were the main points of their discussion? [Call on a student] Student: They were talking about sending more probes to outer planets like Jupiter and Saturn. They also mentioned the importance of developing new technologies for long - distance space travel, such as more efficient engines. Teacher: Right. Sending probes to outer planets can provide us with valuable data about these giant planets and their moons. And developing new technologies is essential for pushing the boundaries of space exploration. Based on what you've heard, let's talk about what new technologies you think are needed for future space exploration. [Ask students to share their ideas] Student 1: We need better shielding to protect astronauts from cosmic radiation. Maybe some new materials can be developed for this purpose. Teacher: That's a great idea. Cosmic radiation is a major obstacle for long - term space travel. New shielding materials could make space travel safer for astronauts. Student 2: Faster spaceships would be amazing. We could reach distant planets in a shorter time. Maybe using some new energy sources like nuclear fusion. Teacher: Developing faster spaceships is a long - standing goal in space exploration. Nuclear fusion is a promising energy source that could potentially revolutionize space travel by providing much higher speeds. Now, let's do a role - play activity. I'll give each of you a role card. Some of you will be astronauts, some will be scientists, and some will be journalists. The journalists will interview the astronauts and scientists about space exploration. You can use the knowledge and ideas we've discussed today to create your dialogues. [Distribute role cards and give students time to prepare] [After preparation, start the role - play] Journalist (Student A): Hello, astronaut. Can you tell us what it's like to be in space? Astronaut (Student B): Well, it's an indescribable experience. The view of Earth from space is breathtaking. But it's also very challenging. The zero - gravity environment takes some getting used to, and there are always risks involved. Journalist (Student A): What do you think is the most important thing you've learned during your space missions? Astronaut (Student B): I've learned the importance of teamwork. In space, every member of the crew has a crucial role to play. We rely on each other for our safety and the success of the mission. Journalist (Student C): Good day, scientist. What are the latest research focuses in space exploration? Scientist (Student D): Currently, we're really focused on finding signs of life beyond Earth. We're analyzing data from Mars and some of the icy moons in the outer solar system. Also, developing new propulsion systems for more efficient space travel is a high priority. After the role - play, let's have a brief summary. What have we learned today through listening and talking about space exploration? [Call on a student to summarize] Student: We learned about the difficulties of space travel, the importance and challenges of space exploration, future plans, and the technologies needed. We also practiced our listening and speaking skills through various activities. Teacher: Perfect! Space exploration is an ever - evolving field, and through our discussions and activities today, I hope you've gained a deeper understanding of it. Keep exploring this fascinating topic on your own, and remember, your ideas and questions are the driving force for further learning. 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$