Unit 3 The world of Science Developing ideas Reading 课件-2023-2024学年高一英语外研版（2019）必修第三册

外研版选择性必修三 U3 The world of science Developing ideas FRANKLIN’S EXPERIMENT: How Much Is True? FRANKLIN’S EXPERIMENT: How Much Is True? lighting Pre-reading What? Benjamin Franklin (1706–1790) was one of the Founding Fathers of the United States and helped draft the Declaration of Independence. Apart from being a successful statesman, he was also well known as a leading American author, printer and publisher, successful diplomat, creative scientist and inventor. What do we know about him? 美国的开国元勋 Pre-reading FRANKLIN’S EXPERIMENT: How Much Is True? 隐含的 明确的 Pre-reading B2U6 B2U2 B2U4 B2U6 Pre-reading FRANKLIN’S EXPERIMENT: How Much Is True? 隐含的 明确的 Attitude Pre-reading How? Read the passage and try to find out: the genre and structure of the passage? Tip: focus on the first or last sentences of each paragraph While-reading FRANKLIN’S EXPERIMENT: How Much Is True? Introduction Conclusion Main body While-reading Argumentation Benjamin Franklin’s famous experiment with lightning has introduced generations of children to science. However, new research suggests that the story may be fiction instead of fact. While-reading 1 However Why? While-reading What elements should be included in an experiment? Material Procedure Conclusion Aim While-reading The well-known story is that the American Founding Father and scientist flew a kite during a storm in 1752. At that time, there was much interest in electricity. People wanted to know if lightning was really produced by electricity or something else. Franklin was one of them. He raised the kite with a piece of string tied to it. A metal key was attached to the string. A flash of lightning hit the kite, and electricity was conducted through the string to the key. Franklin then touched the key with his finger and got an electric shock. This, he said, proved that lightning was a form of electricity. Aim Material Procedure ① ② ③ Conclusion What does the word “This” refer to? Did Franklin really touch the key? 2 Can you find the four