Unit 4 Earthquakes,Period 1 Warming up and Pre-reading,Tangshan,Imagine there has been an earthquake. Describe what will happen to the objects in the photos.,What happened?,Tall buildings were destroyed.,The car was smashed.,What happened?,Roads were cracked.,What happened?,People were injured.,An earthquake is the result of a sudden release of energy in the Earths crust. Earthquakes may result in disease, lack of basic necessities, loss of life, general property damage, road and bridge damage and sometimes landslides, fires, flood and even tsunamis.,the city after the earthquake,the city before the earthquake,The city was in ruins.,1906 earthquake in San Francisco,Group work,San Francisco,San Francisco Earthquake,building, roads, bridges,1976 earthquake in Tangshan,New Tangshan,cracks, cut across houses, roads and canals, fall down, lie in ruins, destroy,Earthquakes,Earthquakes can damage buildings, bridges, dams, and other structures, as well as many natural features.,Have you ever experienced an earthquakes? Can you describe what it was like?,Discussion,If there is an earthquake coming right now and right here, what should we do to save ourselves?,If you are sleeping in your bedroom, you should get up and ran out of the house with your family.,If you are outside, you should keep away from power lines, trees, cars and buildings.,We should drop to the floor and cover our head and neck with our arms.,We should hide under something like a table to protect ourselves from things falling on top of us.,Task: Produce an earthquake plan,Earthquake Plan 1. run out of the house 2. hide under something like a table 3. drop to the floor, cover the head and neck with the arms. 4. Keep away from power lines, trees, cars and buildings. 5. ,Task: Collect a personal earthquake bag,1. Image the room begins to shake and you must leave it right away. You have time to take only one thing. What will you take? Why? 2. You are to choose eight things to put into your personal earthquake bag. Make a list.,Pre-reading,Discussion,What do you think may happen before an earthquake?,Period 2 Reading,Unit 4 Earthquakes,A terrible earthquake shook Tangshan on the evening of July 28, 1976.,Tangshan earthquake,Read the passage and find out the topic sentence of each paragraph.,Reading,A Night The Earth Didnt Sleep,How many parts can this passage be divided into?,Three parts,Do you know the main idea of each part?,Part 1,Paragragh1,Part 2,Paragraph 2.3,Part 3,Paragraph 4,Fast reading,The main idea of each part: time order,Part 1.,（Para.1）,Before the earthquake,Part 2.,(Para.2,3),During the earthquake,Part 3.,(Para.4),After the earthquake,Something strange happened in Tangshan,the destroy of the earthquake in Tangshan,the rescue of Tangshan,The rescue of Tangshan,True or false,1. People in Tangshan were warned of the earthquake and didnt go to bed that night. 2. People in Beijing also felt the earthquake. 3. More than 400,000people were killed during the earthquake. 4. Many rescue workers and doctors were trapped under the ruins during the aftershock. 5. People tried to get fresh water from under the ground.,F,T,F,T,F,signs before the earthquake,Para.1,Fill in the blanks,Strange,rose,fell,smelly,nervous,eat,jumped,ran,3:00,bright lights,Damage caused by earthquake,Para. 2-3,Fill in the blanks,3:42,greatest,Steam,dirt,Bricks,dams,useless,steel,Sand,electricity,Data,of the nation felt the earthquake . A huge crack that was kilometres long and metres wide cut across houses. In terrible seconds a large city lay in ruins. of the people died or were injured during the earthquake. The number of people who were killed or injured reached more than . All of the citys hospitals, _ of its factories and buildings and of its homes were gone.,1/3,8,30,15,2/3,400,000,75%,90%,Para. 2-3,Number each of these things during the Tangshan earthquake. Give a 1 to the first thing that happened and a 5 to the last thing that happened.,n_ Brick buildings were destroyed. n_The walls of the village wells had cracks in them. n_Shelters were put up for those with no homes. n_ Roads got huge cracks. n_The army helped the survivors.,1,2,3,4,5,Some other big earthquakes in the world,The San Francisco earthquake in America in 1906.,The Guangdao big earthquake in Japan in 1923.,The big earthquake in Pakistan and India in 2005.,Do you know why there are so many earthquakes in the world?,The big earthquake in Wenchuan, Sichuan Province in 2008.,Pacific plate,American plate,Eurasian plate,India plate,African plate,Antarctic plate,San Francisco,What shall we do if an earthquake happens?,Discussion,1. Get under a heavy table or desk and hold on, or sit or stand against an inside wall. 2. Keep away from windows. 3. If indoors, stay indoors. 4. If outdoors, stay outdoors away from falling debris, trees and power lines. 5. If in a car, stay in the car. 6. Many injuries occur when people act on their impulse to run.,Can we stop earthquakes?,We cant stop earthquakes, but we can try to re