how-to-prepare-for-earthquakes.ppt

1、,How to prepare for earthquakes,Teaching Objectives,discuss relevant topics read between the lines weave details for language effect think critically,Lead-in Activities,Global Reading,Detailed Reading,1,2,3,Assignment,1,3,4,Contents,2,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment

2、,Natural Disasters,An earthquake,Damages of Earthquakes,Activities,Have you ever experienced any natural disasters ?,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,Male/ Female Ratio in Different Majors,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,What is an e

3、arthquake?,Direction: Watch the video and then fill in the blanks.,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,An earthquake is _, usually intense shaking of the ground, caused by either_or by_. The most common types of earthquakes are those caused by _or earthquakes _.,Male/ F

4、emale Ratio in Different Majors,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,What is an earthquake?,Direction: Watch the video and then fill in the blanks.,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,An earthquake is _, usually intense shaking of the ground

5、, caused by either_or by_. The most common types of earthquakes are those caused by _or earthquakes _.,any shaking of the ground,natural sources,humans,ruptures of geologic faults,associated with volcanic activity,Male/ Female Ratio in Different Majors,2,Lead-in Activities,2,Global Reading,Detailed

6、Reading,Assignment,What damages will earthquakes bring about?,Male/ Female Ratio in Different Majors,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,Countless people were killed or injured,Male/ Female Ratio in Different Majors,2,Lead-in Activities,2,Global Reading,Detailed Reading

7、,Assignment,Buildings fell apart.,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,Railroad lines bent.,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,Many people became homeless.,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,Diseases spread ar

8、ound the quake-stricken areas.,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,Mentally disordered people spring up.,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,Severe Earthquakes in China,in 2008,magnitude 8.0,Wenchuan Earthquake,almost 80% of buildings were

9、destroyed,killed 69,195 people and left 18,392 missing,left about 11 million people homeless,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,Yushu Earthquake,2,Lead-in Activities,2,Global Reading,Detailed Reading,Assignment,2,Lead-in Activities,2,Detailed Reading,Assignment,Global

10、Reading,Skim to get the main idea of the text,Text Organization,Reading,Skim the text and find out what contents have been mentioned .,Divide the text into four parts according to these main points.,Part One,Part Two,Part Three,2,Lead-in Activities,2,Detailed Reading,Assignment,Global Reading,Part F

11、our,Text Organization,2,Lead-in Activities,2,Detailed Reading,Assignment,Global Reading,Para. 1,People believe that earthquakes can be forecast.,People like to be able to prevent the great destruction of property caused by earthquakes.,People need to prepare for the possibility of a great earthquake

12、.,pridiction,prevention,preparation,Para. 2,Para. 3-6,conclusion,The author concludes that these precautions can make great difference in saving lives.,Para. 7,2,Lead-in Activities,2,Assignment,Global Reading,Detailed Reading,Read Between the Lines,Language Study,Reading,Ideally, people would like t

13、o know when an earthquake is going to happen and how bad it will be. In both Japan and China, people have long believed that earthquakes can be forecast. In Japan, scientists have wired the Earth and sea to detect movements. The Chinese have traditionally watched animals and plants for warning signs

14、 of earthquakes. For example, the Chinese have noted that before an earthquake, hens behavior changesthey refuse to enter their cages at night.,2,Lead-in Activities,2,Assignment,Global Reading,Detailed Reading,Q: How can we predict an earthquake?,They have also noticed that snakes come out of the gr

15、ound to freeze to death and that dogs bark a lot, even normally quiet dogs. Before the Hanshin earthquake in Japan, there were reports of large schools of fish swimming near the surface of the water. Certain birds, like pigeons, also seemed to be especially noisy and were reported to be flying in un

16、usual patterns before the earthquake.,2,Lead-in Activities,2,Assignment,Global Reading,Detailed Reading,Perhaps most interesting, and most easily measured, is a chemical change in ground water before a quake. Experimental data seem to indicate that the amount of radon (Rn) in the water under the sur

17、face of the Earth waxes before an earthquake.,2,Lead-in Activities,2,Assignment,Global Reading,Detailed Reading,A: 1) Wire the earth and sea to detect movements. 2) Watch animals and plants for warning signs. 3) Measure a chemical change in ground water.,Q: How can we predict an earthquake?,2,Lead-i

18、n Activities,2,Assignment,Global Reading,Detailed Reading,bark a lot,swim on the surface,refuse to enter cages,freeze to death,fly unusually,2,Lead-in Activities,2,Assignment,Global Reading,Detailed Reading,Q: What signs will animals show before earthquakes?,1. detect : notice or discover (sth. part

19、ly hidden or not clear),eg. Can you detect an escape of gas in this corner of the room? 這個房間的角落有煤氣泄漏，你能感覺到嗎？,2,Lead-in Activities,2,Assignment,Global Reading,Detailed Reading,detect (de-: get rid of) detectable detection detective detector detectaphone,protect (pro-: forward) protection protectionism protective protector unprotected,architect (archi-: chief ) architecture architectural,2. to watch.for.:,2,Lead-in Activities,2,Assignment,Global Reading,Detailed Reading,觀察以獲得:,e.g. People those who watch the wind for trimming their sails in social life.,seem il