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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,I.Listen to the tape and tick out the things that Mrs Zhu talks about.,safety in the lab,experiments,long hair,flames,gases,listening,What is the most important students should remember?,2.What is the first thing students should do when they come into the lab?,3.Why should students be careful smelling from bottles?,Safety comes first,.,Follow the teachers instructions,Bottles may contain dangerous gases.,4.What is to be done when anything gets into your eyes?,5.What should students do before leaving the lab?,Immediately wash your eyes with a lot of water.,Clear everything away and leave the classroom neat and clean.Wash your hands with water and soap.Turn off the lights and shut the windows.,SPEAKING-Advantages and disadvantages:1.Clonging:,2.Nuclear energy:,3.Computers:,4.Space flights:,1.Clonging:,2.Nuclear energy:,Cells;biology;people that look the same;making people;copying animals and people;growing organs;medicine;operating;helping people who lost an eareyeleg,Do not pollute the environment;very dangerous waste;great danger in case of accidents;very expensive to build;can help to make all the electricity society needs,3.Computers:,4.Space flights:,Can do things faster than people;make work travel safer;easier to keep and use information;difficult to control when something goes wrong;viruses;more problems appear.,Chance to do reasearch in outer space;very expensive;important to put satellites in space or repair them;if something goes wrong,it is difficult to help or rescue people;exciting;shows how far a country has developed.,“,两弹一星,”最初是指原子弹、导弹和人造卫星。“两弹”中的一弹是原子弹，后来演变为原子弹和氢弹的合称；另一弹是指导弹。“一星”则是人造地球卫星。中国的“两弹一星”，是,20,世纪下半叶中华民族创建的辉煌伟业。,1964,年,10,月,16,日我国第一颗原子弹爆炸成功，,1967,年,6,月,17,日我国第一颗氢弹空爆试验成功，,1970,年,4,月,24,日我国第一颗人造卫星发射成功。这是中国人民在攀登现代科学高峰征途中创造的“两弹一星”的人间奇迹。,华罗庚,著名科学家,钱学森,Galileo,伽利略,-1564-1642,意大利物理学家和天文学家,Newton,Sir Isaac 1642-1727 English,mathematician and scientist who invented differential calculus and formulated the theories of universal gravitation,His success in gravitation was supposedly inspired by the sight of a falling apple.,Thomas Edison,1847-1931,American inventor who invented more than a thousand inventions,among them the microphone,the phonograph,and the lamp.In New York City he installed the worlds first central electric power plant.,Johnna Wolfgang von Goethe1749 1832 German writer and scientist.A master of poetry,drama,and the novel,he spent 50 years on his two-part dramatic poem Faust(published 1808 and 1832).He also conducted scientific research in various fields,notably botany,and held several governmental positions.,歌德，约翰,沃尔夫贡,冯,1749-1832,德国作者和科学家。精通诗歌、歌剧和小说。他花了,50,年时间写了二部戏剧长诗 浮士德（出版于,1808,年和,1832,年）。他也致力于各个领域的科学研究，在植物学方面享有盛誉，并在几次政府担任职务。,Benjamin Franklin American public official,writer,scientist,and printer.He entered politics and played a major part in the American Revolution.Franklin negotiated French support for the colonists,signed the Treaty of Paris(1783),and helped draft the Constitution(1787-1789).His numerous scientific and practical innovations include the lightning rod,bifocal spectacles,and a stove.,Physics,Medicine,Chemistry,Biology,Isaac Newton-gravity,Madame Curie Radioacti-vity,Nightingale(Br.)pie charts,Louis Pasteur(Fr.)-germs,Watson(Am.&Crick(Br.)-DNA,Mendeleev-Periodic Table of elements,Charles,Darwin-Evolution,Beatrix,Potter,seeds,of,mushrooms,-,Listen and answer:1.Why did Franklin do this experiment with the kite?2.Why is it better to make the kite of silk than of paper?3.Do you think Franklins experiment was dangerous?Why?,He wanted to prove lightning and electricity are the same thing.,A silk kite will last longer in bad weather than a paper kite.,Yes,the experiment was very dangerous because if sth went wrong he could be killed by the lightning.,1 In 1752 scientists already knew,what electricity is.,2 Franklin was helped by a friend to,experiment.,3 Franklin made the kite of silk because,wet silk does not conduct electricity.,4 A condenser was used in the,experiment to store electricity.,5 The key tied to the string was put into,the door to stop the kite from flying away.,T,F,F,T,F,*Franklins famous kite experimentAim:In order to show that lightning and electricity are the same.Materials:Instructions:paragraphs 5&6Description:paragraph 3Results:,Some wooden sticks,a piece of silk,some rope,a very sharp piece of metal,a silk ribbon,a key,a condenser,a small shed,a thunderstorm with lightning.,The electricity stored in the condenser can be used to do other experiments,which proves that lightning and electricity are the same.,1.,instruction,教育，训练（不可）,Over 300 students are under instruction.,指导，嘱咐，命令（复数）,give instructions,作出指示,receive instructions,收到命令,carry out instructions,执行命令,follow ones instructions,按某人的命令行事,说明，通知（复数）,Read the instructions on the bottle.,He has received no instructions about,the meeting.,2,example,例子,;,榜样,;,典范,for example,take.for example,以,.,为例,take sb.as ones example,以,.,作为,.,的榜样,give an example o
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