新课标高一英语Unit16 Scientists at work1 课件.ppt

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,*,Unit16 scientists at work,Period 1,Warming-up&Speaking,Physics Laboratory,Chemistry Laboratory,Biology laboratory,1.Can you give an example of what you learn about for each field of science?,In physics we learn about the laws of the universe.,In chemistry we learn about the way different liquids and materials react with each other.,In biology we learn about life on earth.,What English words do you think of for each subject of science?,physics,power,physical change,physics experiment,electricity,gravity,force,matter,energy,Chemistry,substance,element,gas,liquid,chemical change,metal,solid,chemistry,experiments,biology,microscope,Living thing,animal,being,cell,germ,plant,biology experiment,What do we have to be careful with in a lab?,Listening,1.Listen to the tape,tick the things that,Mrs,Zhu talks about.,safety in the lab,experiments,car accident,gloves,long hair,shoes,gases,liquids,flames,Listen carefully and answer the following questions.,1.What is the most important thing students should remember?,Safety comes first.,2.What is the first thing students should do when they come into the lab?,Follow the teachers instructions.,3.Why should students be careful smelling from bottles?,Bottles may contain dangerous gas.,4.What is to be done when anything gets into your eyes?,Immediately wash your eyes with a lot of water.,5.What should students do before leaving the lab?,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.,Maglev train,Advantages:,Fast,Clean,Doesnt make any noise,Disadvantage,Much too expensive,Speaking,Speaking-EXAMPLE:,A:Shanghai is the first city in the world to have built a high-speed maglev train,from the city to,Pudong,Airport.,B:Well,in my opinion,its a waste of money.Its much too expensive.,A:Its expensive,but very fast.In the future,people can travel from Beijing to Shanghai in a few hours.,B:Flying is just as fast.The money would be better spent building more roads or railways in other parts of China.,A:More roads and trains mean more pollution.This new train has no wheels and no engine.Its fast and clean and it doesnt make any noise,as planes do.We should make more use of this technology.,Pair work:,Discuss the advantages and disadvantages of the following scientific discoveries and applications,then make dialogues with your partners.,Cloning,Advantages,1.can help some women have babies,2.can help medical research,disadvantages,1.it is not natural to make people,2.dangerous,people use it to do strange things,Nuclear energy,Advantages,1.can make all the electricity we need,2.is a limitless resource,disadvantages,1.unsafe to all life if not controlled,2.can be expensive to build/repair,Computer,Advantages,1.makes communication faster,2.can keep information better,disadvantages,1.unsafe because of viruses,2.makes more problems than it solves,Space flights,Advantages,1.make research of outer space possible,2.put communication satellites,in space,disadvantages,1.expensive and dangerous,2.used by the army,