Unit 1 Our living planet Project 教学设计-2025-2026学年高中英语译林版(2020)选修第一册

课 时 教 案 课题：Project U1选修一 第　 　课时 总序第 个教案 课型： New lesson 编写时间: 2025年 月 日 执教时间：2025年 月 日 教学目标： 批　注 1. gather and sort information about a natural phenomenon; 2. make PPT slides on a natural phenomenon through cooperation and exploration; 3. present the outcome of group work; 4. evaluate and comment on each other’s work; 5. develop competence in science. 教学重点： make PPT slides on a natural phenomenon through cooperation and exploration; 教学难点： make PPT slides on a natural phenomenon through cooperation and exploration; 教学用具：Multi-media 教学方法：Group work, discussion 教学实施过程： 1. Have students look at pictures of some natural phenomena and answer the following questions. (1) What natural phenomena do you know about? Rainbows, lightning, polar lights, eclipses and karst landforms. (2) Which one are you interested in? What is behind the natural phenomenon? A rainbow. It is really an amazing natural phenomenon. It is an arc of different colours that you can sometimes see in the sky, caused by the refraction and internal reflection of sunlight rays that enter the water droplets in the atmosphere. The colours of the rainbow are red, orange, yellow, green, blue, indigo and violet. 2. Have students discuss the natural phenomena they are interested in and choose one to research. 批　注 3. Have students search for detailed information about their chosen natural phenomenon according to the following aspects. Natural phenomenon：What， When and where，How 4. Have students read the sample on page 13 and discuss the following questions. (1) What is a mirage? It is an optical phenomenon that makes you see something that is actually not there. (2) When and where can you see it? Often on hot sunny days in deserts, on roadways or at sea. (3) What causes it? When the ground is hot and the air is cool, the non-uniform medium bends the light that travels through it. 5. Have students explain how a mirage works according to the diagram on page 13. 6. Have students organize the information they have collected and make PPT slides. 7. Have students proofread the draft to make sure there are no mistakes. When PPT slides are finished, each group member should read them carefully and give suggestions on how to improve them. 8.Have students present their PPT slides to the whole class and explain some scientific knowledge of their chosen natural phenomenon. 9. Have students evaluate the PPT slides and give comments. 10. Have the whole class vote on which group is the best. 教学反思： 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$