Unit 3 Understanding ideas 课件-2021-2022学年高一下学期英语外研版（2019）必修第三册

Unit 3 The world of science Period 2 Understanding ideas 1 Activity 1 Look at the pictures and talk about how the way we live has changed over time. 01.Getting light 1.Getting light 2.Studying 3.Comunication 4.Cooking food What are the reasons behind these changes? The reasons behind these changes are some inventions that make our lives more convenient. electricity computer gas wifi The New Age of Invention Read the title and look at the pictures in the passage. Then predict what this passage is mainly about. Part 1: Q&A____ Part 2: Q&A ____ Part 3: Q&A ____ the inventions of the past the inspiration for inventions the inventions of today Activity 2 Read the passage and divide into three parts. 1-2 3-4 5-6 1. Inventions in Ancient China were better than those in the West. 2. A lot of today’s great inventions are tech-based. 3. Today, most inventors prefer working by themselves. 4. The desire to solve problems inspires invention. 5. A time machine will definitely be invented in the