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1、Period 1Physics LaboratoryChemistry Laboratory Biology laboratory1.Can you give an example of what you learn about for each field of science?Inphysicswelearnaboutthelawsoftheuniverse.Inchemistrywelearnaboutthewaydifferentliquidsandmaterialsreactwitheachother.Inbiologywelearnaboutlifeonearth.What Eng
2、lish words do you think of for each subject of science?physicspowerphysical changephysics experimentelectricitygravityforcematterenergy Chemistrysubstanceelementgasliquidchemical changemetal solidchemistry experimentsbiologymicroscopeLiving thinganimalbeingcellgermplantbiology experimentWhat do we h
3、ave to be careful with in a lab?Listening1. Listen to the tape, tick the things that Mrs Zhu talks about.safety in the labexperimentscar accidentgloveslong hairshoesgasesliquidsflamesListen carefully and answer the following questions.1.What is the most important thing students should remember?Safet
4、y 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 lo
5、t 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 trainAdvantages:FastCleanDoesnt make any noiseDisadvantageMuch too expensiveSpeakingSpeaking-
6、EXAMPLE:A:Shanghaiisthefirstcityintheworldtohavebuiltahigh-speedmaglevtrain,fromthecitytoPudongAirport.B:Well,inmyopinion,itsawasteofmoney.Itsmuchtooexpensive.A:Itsexpensive,butveryfast.Inthefuture,peoplecantravelfromBeijingtoShanghaiinafewhours.B:Flyingisjustasfast.Themoneywouldbebetterspentbuildin
7、gmoreroadsorrailwaysinotherpartsofChina.A:Moreroadsandtrainsmeanmorepollution.Thisnewtrainhasnowheelsandnoengine.Itsfastandcleananditdoesntmakeanynoise,asplanesdo.Weshouldmakemoreuseofthistechnology.Pair work:Discuss the advantages and disadvantages of the following scientific discoveries and applic
8、ations, then make dialogues with your partners. CloningAdvantages1.can help some women have babies2.can help medical researchdisadvantages1.it is not natural to make people2.dangerous, people use it to do strange thingsNuclear energyAdvantages1.can make all the electricity we need2.is a limitless re
9、sourcedisadvantages1.unsafe to all life if not controlled 2.can be expensive to build/repairComputerAdvantages1.makes communication faster 2.can keep information better disadvantages1.unsafe because of viruses2.makes more problems than it solvesSpace flightsAdvantages1.make research of outer space possible2.put communication satellites in space disadvantages1.expensive and dangerous 2.used by the army
