Unit 12 Innovation Lesson 1 Scientific Breakthroughs 教案-2024-2025学年高中英语北师大版（2019）选择性必修第四册

Lesson 12: Scientific Breakthroughs First Reading Class Subject English Grade Level Senior High School, Elective 4 Total 2 periods Textbook Beijing Normal University Press Class Type Reading Class Period 1 Text Analysis Text Analysis This lesson introduces students to some of the most significant scientific breakthroughs of the 20th century, including the contributions of Albert Einstein, Alexander Fleming, and the development of the first computer and the Internet. The text highlights the impact of these discoveries on human life and the world. It serves as a foundation for understanding the importance of innovation and scientific progress. Student Analysis Students have a basic understanding of historical events and scientific achievements. They are familiar with the concept of inventions and discoveries but may lack detailed knowledge of specific scientific breakthroughs. They are generally curious and engaged in discussions about technological advancements and their impacts on society. Some students may struggle with complex scientific terminology and concepts, requiring additional support and clarification. Teaching Objectives 1. Students will be able to identify and summarize key scientific breakthroughs of the 20th century. 2. Students will evaluate the impact of these breakthroughs on modern society. 3. Students will engage in discussions and debates about the most important scientific breakthroughs. 4. Students will practice using adjectives to describe scientific findings and inventions. Key Points and Difficulties Key Points 1. Understanding the key scientific breakthroughs of the 20th century. 2. Recognizing the impact of these breakthroughs on human life. 3. Analyzing the processes and methods behind these discoveries. 4. Using new scientific and technical vocabulary. Difficulties 1. Grasping complex scientific concepts and terminology. 2. Evaluating the significance and impact of scientific breakthroughs. 3. Engaging in meaningful group discussions and presentations. 4. Applying new vocabulary in context. Teaching Methods and Preparation Teaching Methods Lecture, Group Discussion, Cooperative Learning Teaching Aids Textbook, Projector, Whiteboard, Markers Teaching Procedures Teacher Activities Student Activities Warmup (10 minutes) Activate Prior Knowledge (1) Ask students to brainstorm and list the most important inventions or discoveries of the 20th century. (2) Encourage students to name a few inventors and explain why they are considered great. (3) Write down their ideas on the board. (4) Discuss the criteria for evaluating the importance of inventions and discoveries. (5) Introduce the topic of the lesson: Scientific Breakthroughs of the 20th Century. (6) Preview the key points and objectives of the lesson. Engage Students (1) Show a video clip or images of famous inventions and discoveries from the 20th century. (2) Ask students to identify the inventions and discuss their significance. (3) Highlight the contributions of key scientists and inventors. (4) Explain the structure of the lesson and how it will proceed. (5) Provide a brief overview of the reading material. (6) Set expectations for active participation and engagement. 1. Brainstorm and list inventions and discoveries. 2. Name inventors and explain their significance. 3. Participate in class discussion. 4. Watch video clip and identify inventions. Reading and Exploring (20 minutes) Guided Reading (1) Distribute the reading material and ask students to read the text silently. (2) Provide a list of key terms and definitions to help with comprehension. (3) Ask students to underline or highlight important information as they read. (4) After reading, ask students to summarize the main points of the text in pairs. (5) Conduct a wholeclass discussion to review the key breakthroughs and their significance. (6) Address any questions or clarifications needed. Comprehension Questions (1) Q1: What are some of the most important scientific breakthroughs mentioned in the text? (2) Q2: Who made these discoveries and what were their contributions? (3) Q3: How did these breakthroughs improve the quality of human life? (4) Q4: What challenges did scientists face in making these discoveries? (5) Q5: How did the development of the first computer and the Internet change the world? (6) Q6: Why is it difficult to choose the single most important discovery of the 20th century? 1. Read the text silently and underline important information. 2. Summarize main points in pairs. 3. Participate in class discussion. 4. Answer comprehension questions. Group Work (15 minutes) Research and Presentation (1) Divide students into small groups and assign each group a specific invention or discovery (E=mc², penicillin, the first computer, the Internet). (2) Provide a worksheet with guiding questions to help students organize their research. (3) Instruct students to find information about the inventor, the process of discovery, and the significance of the invention. (4) Allow time for group discussions and notetaking. (5) Have each group prepare a short presentation to share their findings with the class. (6) Encourage peer feedback and questions during presentations. Worksheet Questions (1) Who discovered/invented this? What was their background? (2) How did the discovery/invention come about? Was it planned or accidental? (3) What was the process of development? (4) What was the significance of this discovery/invention? (5) How did it impact society? (6) Are there any interesting facts or stories related to this discovery/invention? 1. Work in groups to research assigned invention/discovery. 2. Use the worksheet to organize information. 3. Prepare a short presentation. 4. Share findings with the class. 5. Provide peer feedback. Wrapup (10 minutes) Review and Reflect (1) Summarize the key points covered in the lesson. (2) Highlight the importance of scientific breakthroughs in shaping modern society. (3) Discuss the role of innovation and collaboration in scientific progress. (4) Encourage students to reflect on what they learned and how it relates to their own lives. (5) Provide a list of recommended readings or resources for further exploration. (6) Assign homework: Write a short essay on the most important scientific breakthrough of the 20th century and explain why it is significant. Homework Assignment (1) Write a 200word essay on the most important scientific breakthrough of the 20th century. (2) Include the inventor, the process of discovery, and the significance of the breakthrough. (3) Use examples to support your argument. (4) Cite sources if necessary. 1. Listen to the summary and reflection. 2. Reflect on the lesson and its relevance. 3. Note down recommended readings. 4. Complete the homework assignment. Evaluation Tasks 1. Active participation in class discussion: ☆☆☆ 2. Accurate summarization of key points: ☆☆☆ 3. Effective group presentation: ☆☆☆ Design Intentions The lesson is designed to engage students in active learning through a combination of individual reading, group research, and class discussions. The warmup activity helps activate prior knowledge and set the stage for the lesson. Guided reading and comprehension questions ensure that students understand the key content. Group work promotes collaboration and allows students to delve deeper into specific topics. The wrapup and reflection activities reinforce learning and encourage students to apply what they have learned to their own lives. Homework Design Essay Writing 1. Write a 200word essay on the most important scientific breakthrough of the 20th century. 2. Include the inventor, the process of discovery, and the significance of the breakthrough. 3. Use examples to support your argument. 4. Cite sources if necessary. Additional Practice 1. Complete the worksheet with the correct form of the words provided. 2. Answer the comprehension questions from the reading material. 3. Research and write a short paragraph about a modern scientific breakthrough of your choice. Board Design Title: Scientific Breakthroughs of the 20th Century 1. Key Inventions and Discoveries: E=mc² (Albert Einstein) Penicillin (Alexander Fleming) The First Computer (Eckert and Mauchly) The Internet (Tim BernersLee) 2. Significance: Improved medical treatments Enhanced communication and transportation Advanced scientific knowledge Transformed global society 3. Challenges Faced: Limited resources and technology Skepticism and resistance Ethical and moral considerations 4. Impact on Modern Society: Global connectivity Technological advancements Improved quality of life 5. Vocabulary: Breakthrough, innovation, discovery, invention, pioneer, impact, significance, collaboration, inspiration Teaching Reflection Insufficiencies 1. Some students struggled with the complex scientific terminology, which hindered their comprehension and participation in discussions. 2. The group work activity took longer than expected, leaving less time for the wrapup and reflection activities. 3. Not all students were equally engaged in the class discussion, leading to uneven participation. 4. The video clip used for the warmup activity was not as engaging as anticipated, and some students found it difficult to relate to the content. 5. The homework assignment was challenging for some students, and additional guidance and support may be needed to ensure they complete it successfully. 学科网（北京）股份有限公司 $$