1、,Unit 4 Earthquake,Warming-up&Pre-reading,1.Master the following useful words and expressions:earthquake,quake,right away,well,crack,smelly,pipe,burst,in ruins,injure,destroy,track,useless,electricity,disaster,a number of,damage.2.Know basic knowledge about earthquake;3.Know how to protect oneself a
2、nd helpothers in earthquakes.,Whats the video about?,The earthquake in Wenchuan.Do you still remember when the earthquake in Wenchuan happened?,Earthquake in Wenchuan on May 12th,2008.The whole city lay in ruins,69,225 people died,374,640 were injured and 17939 were missing.,Do you know other seriou
3、s earthquakes that happened in recent years?,Earthquakes shook the whole world in 2010In Haiti(海地),on January 12,2010 In Chile(智利),on February 27,2010 In China,on April,14,2010,At 7:49 April 14,2010,an earthquake hit(袭 击)Yushu county,Qinghai province.2220 people were dead and 70 were missing.,An ear
4、thquake hit Japan on March 11,2011.,An earthquake hit Yaan on April 20,2013.,Earthquake is not far from our life.,It alarms(警告)us it is the high time tolearn some knowledge aboutearthquake.,Why do earthquakes happen?,Earthquakes happen when two moving plates jump and push against each other.As a res
5、ult：The earth is,Discussion,What might happenwhenthe earth is shaking?,Tangshan,San Francisco,Look at the photos of Tangshan and San Francisco and try to describe what happens in the 2 cities when there is an earthquake.,Buildings fall down.,The cracks cut across(横断、截断)the roads./Roads get huge crac
6、ks.,Bridges are broken.,The supply of electricity and water is cut off.,The railway tracks are useless.,A number of people are homeless.,The city lies in ruins.,Tangshan,Hebei,San Francisco,USA,April 18th,1906,July 28th,1976,Earthquake is a very destructive,(破坏性的;毁灭性的;)and terrible disaster.So,its v
7、ery important for us to learn more about earthquakes!,What strange things do you think may happen before an earthquake?,well,mice,fish,chicken scows,pigs,dogs,There is bright light in the sky.,The animals were too nervous to sleep or eat,such as dogs,cows,pigs,horses,and chickens.,Mice run out of th
8、efields.,Fish jump out of bowls and ponds.,The signs before Wenchuan Earthquake.,There are cracks in the wells.,The water in the well rises and falls.,A smelly gas comes out of the cracks.,Water pipes may crack or burst.,Discussion:What shall we do if anearthquake happens?,If in classroom,If outdoor
9、s,If in classroom:1.Dont be nervous andkeep calm.2.Whenat the bottom of the building,you should leave the classroom in good order.If you are at the top of the building,dont try to run out of the classroom or jump out of the window.,Hide under yourdesk and protect your head by putting your hands on y
10、our head.Wait for a good time and leave the classroom right away after the shakedecrease(减少，减小).,If outdoors:,Stay away from buildings,trees,signs,and power lines.Crouch down(蹲下)and cover the head.,Get away!,My heart will go on Disasters will go on!,We cant avoid them,however,we can reduce them!If d
11、isasters do happen,keep calm and face them.Get ready for them from now on!,Thanks for your listening!,Imagine your home begins to shake and you must leave it right away.You have time to take only one thing.What will you take?Why?,I want to take money,books,food,water,clothes because,water,money,identity card,food,books,clothes,computer,map,pictures of family,mobile phone,What will you take?Why?,AmericanPacific plate,Eurasian plate,African plate,India plateAntarctic plate,plate,
