Unit 4 Fun with science Extended Reading课件 -2022-2023学年高中英语牛津译林版（2020）选修第一册

B8U4 Extended Reading How do you understand the sentence “Humans are curious by nature, and about nature”? Humans’ curiosity is their nature from their birth, as a result of which they are curious about the world of nature. How to lift these ice cubes with a piece of string? Step 1: Lead in Step 1: Lead in Do you know its principle? Step 1: Lead in Because of the chemical structure of salt, adding salt makes water’s freezing point lower, so the surface of the ice cubes melts faster. However, since only a small amount of salt is added, the rest of the ice is still frozen, and the melted ice soon refreezes. As a result, the string on the ice cubes’ surface becomes attached to them. Does it have any application in our daily life? Step 1: Lead in to melt ice on the road Step 1: Lead in flippers 1 2 3 4 Introduction Step 2: Activity 1 - Prediction Procedure Application Impact What might the passage mention according to the title? 销售额 第一季度 第二季度 3 1 销售额 第一季度 第二季度 4 0 销售额 第一季度 第二季度 1 3 销售额 第一季度 第二季度 2 2 Read Paras 1-2 and answer: 1. What is the definition of bionics? 2. When does the term “bionics” date from? Bionics is a science of taking inspiration from nature to improve our life. It officially dates back to 1958, but the practice is centuries old, dating back as far as 2,500 years. Step 3: Activity 2 - SAQs Read Para 1 and answer: Read Para 2 and put steps below into correct order. What do scientists often do to effectively combine nature and innovation? ________ A. To do further exploration to determine how the natural solution will fit in with human needs. ________ B. To observe a living organism with the potential for offering solutions to a particular human problem. ________ C. To decide whether the solution can be recreated to develop a new product or perhaps improve an existing one. ________ D. To identify nature’s own solutions during observation and data analys