人教一-unit4-earthquakeWarming-up-.ppt

EarthquakesUnit 4ZhangHengisthemanwhomadetheearliestseismographin132.fireLookatthepicturesbelowandnamethesedisastersifyouknow.typhoon/hurricanevolcanoeruptionsnowslidemudflowtornadosandstormfloodtsunamiearthquakeWhichdisastermaycausetheworstdamage?Theearthquake.Howmuchdoyouknowabouttheearthquake?Whatisanearthquake?Anearthquakeiswhathappenswhentwoplates(板块板块)oftheearthsuddenlyslippastoneanother.Whydoearthquakeshappen?Scientistsexplainthattheoutsideoftheearthismadeofanumberofdifferentplates.PacificplateAmericanplateEurasianplateIndianplateAfricanplateAntarcticplateSometimesthesetwoplatesstopanddonotmoveforyears.ThenSuddenly,theyjumpandanearthquakeisfelt.ContinentOceanicplateBuildingsfalldown.Whathappenswhentheresanearthquake?Roads,bridgesandrailwaysaredestroyed.Manythingslieinruins.Thesupplyofelectricityandwateriscutoff.Manypeoplearekilledorinjured.Morepeoplearelefthomeless.Whathappenedon12May,2008?AterribleearthquakestruckSichuan,ChinaonMay12,2008.Morethan60,000peoplelosttheirlives.Doyouknowsomeotherseriousearthquakesthathappenedbefore?TangshanAphototookinAphototookinAugust,1976August,1976 showstheruinsofTangshanshowstheruinsofTangshanafterthequake.afterthequake.AphototakenonAphototakenonJuly 28,2006July 28,2006 showstheoutlookofthecity30showstheoutlookofthecity30yearslaterafterthequake.yearslaterafterthequake.San Francisco,USA April 18th,1906SanFrancisco-Thereisoftenagreatsound.-Animalstoonervoustoeat.-Therearebrightlightsinthesky.-Asmellygasmaycomeoutofthewell.-Waterpipesmaycrackorburst.StrangethingsbeforeanearthquakeAnimals,forexample,cows,pigs,horses,andsnakes,aretoonervous.Thedogsrananywhereandkeptshouting.Veryupset,didntcalmdowntooupsettoeatortrytorunaway.Miceranoutofthefieldslookingforplacestohide.FishjumpedoutofriversandpondsThewallofawellcracks.Waterinthewell.Peoplecanseebrightlightsinthesky.Loudnoises.震前动物有预兆，群测群防很重要。震前动物有预兆，群测群防很重要。牛羊骡马不进圈，猪不吃食狗乱咬。牛羊骡马不进圈，猪不吃食狗乱咬。鸭不下水岸上闹，鸡乱上树高声叫。鸭不下水岸上闹，鸡乱上树高声叫。冰天雪地蛇出洞，大猫携着小猫跑。冰天雪地蛇出洞，大猫携着小猫跑。兔子竖耳蹦又撞，鱼跃水面惶惶跳。兔子竖耳蹦又撞，鱼跃水面惶惶跳。蜜峰群迁闹轰轰，鸽子惊飞不回巢。蜜峰群迁闹轰轰，鸽子惊飞不回巢。家家户户都观察，综合异常作预报。家家户户都观察，综合异常作预报。下面这首民谣是群众在长期预测下面这首民谣是群众在长期预测地震中的总结，细读一下，对观察地地震中的总结，细读一下，对观察地震是有极大好处的。震是有极大好处的。Discussion:(Competition)Imaginethereisanearthquakenow,yourhomebeginstoshakeandyoumustleaveitrightaway.Youhavetimetotakeonlyonething.Whatwillyoutake?Why?Whatwillyoutakeifyourhomebeginstoshake?Why?Ifmyhomebeginstoshake,IwilltakewithmewhenIleave.BecauseAndyou?/Howaboutyou?IcanuseitwhenItshelpful/important/usefulbecauseUsefulexpressions:personalwashingthingsabottleofwatermoneytorch(手电筒手电筒)mobilephonefoodandsweetsblanket(毯子毯子)Whatwillyoutakewithyou?medicinePreparation for Earthquake90%of death in the earthquake isbeing crashed bycollapsed buildings or houses Wecansurvivefor Three DaysSurvivalRate will beUP!IfIs the earthquake resistancerizistns抵抗,反抗,抵抗能力 of your house enough?Do you put some dangerous things in high places?(such as objects made of glass or metal)1.you check the safety of your house 2.you prepare the following itemson-Perishableperbl不易腐坏货物 foodDrinking water in BottlesClothesFlashlight withbatteriesPortable p:tbl便于携带的;radio3.you discuss with your familyMake sure your family knows Where to evacuateivkjueit撤离,疏散 and How to contact one other What to do during an earthquakeOUTDOORSMove to an open area without tall trees,buildings,etc.Move away from beaches(tsunami)or mountains(mudslides or falling rocks).If in cars,move to the side of the road and stop the car.Fasten your seat belts until the shaking stops.ALWAYS BE PREPARED FOR AFTERSHOCKS!Open the window in case of leaking gas.Check if you have injuries.Use cell phone only if its an emergency.Cooperate with neighbors and friends.If you can,check if your family or friends are safe.What to do after an earthquakeWhat to do during an earthquakeINDOORSDo not go near the windows.Stay under a sturdy furniture.Stand against an interior wall.Do not use elevators because it can stop.Do not turn on lights or strike a match,becauseNEVER GO TO THE KITCHEN!gas can leak!If you are in your classroom,how to survive?How to protect yourself?Nowdiscusswithyourpartnersandwritedownyourideasonyourexercisepaper.Task5:Groupwork:Howtosurviveinanearthquake Dont be nervous and keep calm.Dont try to run out of the classroom.Protect your head by putting your bag on your head.Squat skwt像动物一样蹲下 or sit down under your desk.Leave the classroom after the earthquake.earthquakedrill