选修（一）U4 Extended Reading学案.docx

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1、X1U4 Extended Reading【使用说明与学法指导】1.课前先预习教材内容，完成预学案；2.课堂上通过小组合作，讨论，完成探究案，并予以展示。3.通过巩固案，检测自己的学习效果。【Learning goals】By the end of this section, we will be able to:1. identify the structure of the science magazine article;2. have a general understanding of Bionics;3. raise awareness of loving and protecti

2、ng nature. 【Preview】Task 1 Answer the following question. What examples of bionics can you think of ?_Task 2 Read the article and fill in the following mind map Bionics:where nature and technology intersectSection 1 (Para.1)The _ to the topicThe _ of bionicsSection 2 (Para.2)The process of combining

3、 nature and innovationThe _ of the process: observing, identifying, exploring and decidingThe application of bionics_Section 3 (Paras.3-5)The _ of bionicsThe application of bionics_Section 4 (Para.6)The _ of bionicsA call for us to learn from _【Inquiry】Task 3 Read paragraph 1 and 2 and answer the fo

4、llowing questions. 1. What is the definition of bionics?_2. When does the term “bionics” date from?_3. Why do scientists often need to go to great lengths to effectively combine nature and innovation?_Task 4 Read paragraphs 3-5 and complete the notes below.Applications of bionicsu Present applicatio

5、nsTaking inspiration from plantsl One idea grew from observing _. The seeds grow at the “golden angle” of 137.5, ensuring all of them receive sunlight. _, the sunflowers face also follows the suns path. l Solar mirrors are arranged to _and positioned at the same “golden angle”. The mirrors are also

6、programmed to follow the sun.l The solar power plant is eco-friendly, requiring less land to build on and less energy to operate.Taking inspiration from animalsl The brilliant blue wings of a butterfly species are covered with tiny diamond-shaped structures that interact with light, _ to be cancelle

7、d out while intensifying and reflecting others.l Scientists have recreated these microstructures that can _ and produce a unique visual effect almost impossible to copy.l Scientists have developed paints without using harmful substances, which _.u Future applicationsl Inspired by the incredibly stro

8、ng exoskeleton of insects, scientists and engineers are now _.l These exoskeletons can _ and load- bearing capabilities of the wearer.l A real-life Iron Man could be waiting for us in the future.Task 5 Critical thinking1. What does the author mean by saying “Humans are curious by nature, and about nature”?_2. What is the authors attitude towards bionics? Give evidence to support your opinion._【Consolidation】Task 6 Write a summary of the science magazine article in no more than 100 words._3In all things of nature there is something of the marvellous. 自然界包罗万象，蕴藏着奇妙之处。学科网（北京）股份有限公司