Natural-Disaster-自然災(zāi)害-Class-presentation教學(xué)提綱課件

1、Natural-Disaster-自然災(zāi)害PPT-Class-presentationNatural-Disaster-自然災(zāi)害PPT-ClassToday we focus on some information about “Natural Disaster”When mentioning natural disasters ,Im afraid that flood comes to the first place in our mind. We can say that human beings have been fighting against flood since the em

2、ergence of mankind, also we continuously recorded the flood stories.Today we focus on some informaIn the “Bible” (the Bible) the first chapter “The Creation” (Genesis) recorded that God decided to punish his bad subjects (wicked mankind) with heavy rains triggering major floods (deluge), the rain ha

3、d fallen 40 days and nights, flooded the earth 150 days, only a virtuous Noah and the species on the ark survived.In the “Bible” (the Bible) theThe most destructive natural disasters is earthquake.The most destructive natural dAs the epicenter of the earthquake rupture of two kinds of shock rock - w

4、ave (P wave, Primary Waves) and the longitudinal wave (S wave, Secondary waves) of two.Earthquake wave reaches the surface first, so people first feel the ground up and down. As the epicenter of the earthqAccording to the causes of earthquakes, earthquakes can be divided into the following: 1. Tecto

5、nic earthquakeSince the depths of underground rock dislocation, caused by the rupture of the earthquake known as tectonic earthquake. Such earthquake occurred most often, the GREatest damage, the earthquake accounted for about 90 percent of the world over.2. Volcanic earthquakeAs the volcano, such a

6、s magmatic activity and gas explosions caused by the earthquake known as the volcanic earthquake. Only in areas of volcanic activity may occur before the volcanic earthquakes, such earthquakes around the world accounts for only about 7 percent of the earthquake.3. Earthquake collapseAs the top of un

7、derground caves or mine collapse caused by the earthquake known as the collapse of the earthquake. Such relatively small-scale earthquake, the number of little, if any, tend to occur in the limestone cave over the region or large-scale underground mining of the mining area.According to the causes of

8、 ear4. Induced earthquakeAs water, oil field activities such as water flooding caused by the earthquake known as the earthquake-induced. Such earthquake only in certain oil reservoir area or region.5. Artificial earthquakeUnderground nuclear explosions, explosives, blasting and other human-induced g

9、round vibration known as the artificial earthquake. Artificial earthquake was caused by human activities in the earthquake. Such as industrial blasting, the vibration caused by underground nuclear explosions in deep water in a high-pressure water and the large increases the pressure on the crust, so

10、metimes induced earthquake4. Induced earthquake5. Artifi1. For your own safety and their families to hide in the table below, and other solid furniture 2. Shaking Commissioner of the fire immediately, as soon as the fire extinguishing 3. Do not panic ran to the outdoor 4.Open the door to ensure the

11、exports5. Outdoor occasions, to protect your head and avoid the danger 6. In department stores, theatres, according to the instructions of the staff of Action 7. Automotive on-street parking, closed to control the region 8.Its Important to note landslides, rock-drop or bluffs overlooking the tsunami

12、 9. Evacuate to walk, carrying goods that should be at least limit 10. Do not listen to rumors, do not act rashly Self-rescue tips1. For your own safety and theWe often hear about the hurricane in news in the United States.Hurricane is just the same as the Typhoon .Both of them are tropical cyclone

13、.Do you know how scientists give name of hurricanes?We often hear about the hurricOriginally, people named hurricanes after some unpopular statesmen or big names .Afterwards, scientists in Europe and the United States gave a list in which there are 26 names from A to Z. Whats more,if one of the hurr

14、icanes do great damage on our society,that name will never be used again.Originally, people named hurriOn December 26, 2004, when many people still immersed in the joy of Christmas, An undersea earthquake triggered by the Indian Ocean tsunami attacked several Southeast Asian countries.On December 26

15、, 2004, when manThe tsunami killed 270,000 people. What is gratifying is that people around the world are eager to give a hand to those victims.Always ,when confronted with destructive disasters, people show great spirit of solidarity and fraternity through their actions.The tsunami killed 270,000 p

16、eoNatural disaster is terrible, but not every disaster that occurred for no reason. People want to have better living conditions by continuous consumption of resources, polluting the environment, and undermining the laws of nature . Ultimately more disasters occurred .Therefore, we have to take imme

17、diate measures to protect our environment, do more contributions rather than harms to it. Just as the covenant made in Bible by the God and Noah , as long as your heart is full of kindness, flood will not destroy all the creatures on the earth, sowing, harvesting, cold and heat, summer and winter, d