Unit 9 Human Biology Lesson 3 Epidemics Explained 教案-2024-2025学年高中英语北师大版（2019）选择性必修第三册

Lesson 3: Epidemics Explained Third Reading Class Subject English Grade Level Senior High School, Elective 3 Total 3 periods Textbook Beijing Normal University Press, Elective 3 Class Type Reading Class Period 3 Textbook Analysis Textbook Analysis This lesson is part of Unit 9, Human Biology, in the Beijing Normal University Press Elective 3 textbook. The focus is on understanding the concept of epidemics, their historical significance, and the impact on human society. The passage provides detailed information about various epidemics, including the Spanish Flu, SARS, and Ebola, and discusses the measures taken to control and prevent such outbreaks. Student Analysis Students have a basic understanding of biology and health issues. They are familiar with the concept of infectious diseases but may lack in depth knowledge about historical epidemics and their causes. Students are generally curious and engaged, but some may struggle with complex vocabulary and the scientific details presented in the text. Visual aids and group activities can enhance their comprehension and engagement. Teaching Objectives 1. Understand the definition and characteristics of an epidemic. 2. Discuss the measures taken to control and prevent epidemics. 3. Enhance reading comprehension and vocabulary related to epidemics. 4. Apply the knowledge gained to real world scenarios. Key Points and Difficulties Key Points 1. Definition and characteristics of an epidemic. 2. Historical examples of major epidemics (Spanish Flu, SARS, Ebola). 3. Measures to control and prevent epidemics. Difficulties 1. Understanding the scientific and medical terminology used in the text. 2. Analyzing the complex causes and impacts of epidemics. 3. Evaluating the effectiveness of preventive measures and their implementation. Teaching Methods and Preparation Teaching Methods Lecture, Group Discussion, Presentation Teaching Aids Textbook, PowerPoint slides, Internet resources Teaching Process Teacher Activities Student Activities Introduction Warm up Activity (1) Greet students and review the key points from the previous class. (2) Show a video clip or images of historical epidemics to spark interest. (3) Ask students to share what they know about epidemics. (4) Introduce the topic of the day: "Epidemics Explained." (5) Write the learning objectives on the board. (6) Distribute the handouts with key vocabulary and phrases. Discussion Questions (1) Q1: What is an epidemic? (2) Q2: Can you name any historical epidemics? (3) Q3: How do epidemics spread? (4) Q4: What are the impacts of epidemics on society? 1. Share their prior knowledge about epidemics. 2. Participate in the discussion by answering questions. 3. Take notes on the key vocabulary and phrases. 4. Write down their initial thoughts on the discussion questions. Reading and Exploration Reading Activity (1) Instruct students to read the passage silently and underline key information. (2) Provide a list of comprehension questions to guide their reading. (3) Walk around the classroom to assist students who need help. (4) After reading, ask students to discuss the passage in pairs. (5) Have pairs share their findings with the class. (6) Summarize the main points of the passage on the board. Comprehension Questions (1) Q1: What is the definition of an epidemic? (2) Q2: What are some factors that can cause an epidemic? (3) Q3: How many deaths are required for a disease to be classified as an epidemic? (4) Q4: What are some historical examples of major epidemics mentioned in the text? (5) Q5: What measures have been taken to control and prevent epidemics? (6) Q6: What is the importance of international cooperation in dealing with epidemics? 1. Read the passage silently and underline key information. 2. Answer the comprehension questions individually. 3. Discuss the passage in pairs and share their findings with the class. 4. Take notes on the main points summarized by the teacher. Group Work Group Discussion (1) Divide students into small groups. (2) Assign each group a specific epidemic (Spanish Flu, SARS, Ebola) to research. (3) Provide a worksheet with guiding questions for each epidemic. (4) Instruct groups to search for additional information online and complete the worksheet. (5) Have each group present their findings to the class. (6) Facilitate a class discussion to compare and contrast the different epidemics. Guiding Questions (1) Q1: What was the period and location of the epidemic? (2) Q2: How many people were affected or died? (3) Q3: What were the main symptoms and causes of the epidemic? (4) Q4: What measures were taken to control the epidemic? (5) Q5: What were the long term impacts of the epidemic on society? (6) Q6: What lessons can be learned from this epidemic? 1. Work in small groups to research a specific epidemic. 2. Complete the worksheet with the required information. 3. Prepare a presentation to share their findings with the class. 4. Participate in the class discussion to compare and contrast the different epidemics. Conclusion and Reflection Summary (1) Summarize the key points discussed in the class. (2) Highlight the importance of understanding and preventing epidemics. (3) Emphasize the role of international cooperation in dealing with global health issues. (4) Encourage students to continue exploring the topic outside of class. (5) Provide a list of recommended readings and resources. (6) Collect feedback from students on the lesson. Reflection Questions (1) Q1: What did you learn about epidemics today? (2) Q2: How can you apply this knowledge to real life situations? (3) Q3: What questions do you still have about epidemics? (4) Q4: What can you do to contribute to preventing the spread of infectious diseases? 1. Reflect on what they learned during the class. 2. Answer the reflection questions individually. 3. Share their thoughts and questions with the class. 4. Provide feedback on the lesson. Evaluation Tasks 1. Participation in class discussions: ☆☆☆ 2. Completion of the group worksheet: ☆☆☆ 3. Quality of group presentation: ☆☆☆ Design Intentions The lesson is designed to engage students in active learning through a combination of reading, discussion, and group activities. The warm up activity and discussion questions help activate prior knowledge and set the stage for deeper exploration. The reading and exploration phase encourages critical thinking and comprehension. The group work allows students to apply their knowledge and collaborate with peers. The conclusion and reflection phase help solidify understanding and provide opportunities for further learning. Homework Assignment Task 1 1. Write a summary of the main points covered in the lesson. 2. Choose one historical epidemic and write a short essay discussing its causes, impacts, and the measures taken to control it. 3. Find a current news article about a recent epidemic and analyze its potential impact on society. 4. Create a poster or infographic to raise awareness about the importance of preventing the spread of infectious diseases. Board Design Epidemics Explained Definition and Characteristics Historical Examples: Spanish Flu, SARS, Ebola Causes and Spread Impact on Society Measures to Control and Prevent Importance of International Cooperation Key Vocabulary: Epidemic, Infectious Disease, Baseline, Transmission, Quarantine, Vaccination Teaching Reflection Insufficiencies 1. The group work could have been more structured to ensure equal participation from all members. 2. The time allocated for the group presentations was too short, leading to rushed and incomplete presentations. 3. Some students were passive during the class discussions and needed more encouragement to participate. 学科网（北京）股份有限公司 $$