U5P1The power of nature Warming up

1、選修選修6 6Unit 5 Readingdiagram volcanovolcanicvolcanologyvolcanologist erupteruptionashcraterlava hurricanequestionnairen. 圖解圖解; 圖表圖表; 示意圖示意圖n. 火山火山adj. 火山的火山的n. 火山學(xué)火山學(xué)n. 火山學(xué)家火山學(xué)家vi. (指火山指火山)爆發(fā)爆發(fā); 突然發(fā)生突然發(fā)生n. 火山爆發(fā)火山爆發(fā); (戰(zhàn)爭等戰(zhàn)爭等)爆發(fā)爆發(fā)n. 灰灰; 灰末灰末n. 火山口；彈坑火山口；彈坑n. 熔巖；火山巖熔巖；火山巖n. 颶風(fēng)颶風(fēng); 風(fēng)暴風(fēng)暴n. 問卷問卷; 調(diào)查表調(diào)查表Wor

2、ds andExpressions1. To learn some technical vocabulary concerning volcanoes 2. To know some basic information about Mount KilaueaMore and more natural disasters and extreme weather are impacting on our lives. Can you list any? Whats the video about?the power of naturefloodlightningthunderstormsandst

3、ormhurricanetornadotyphoonlandslideearthquaketsunamivolcanic eruption閃電閃電洪水洪水龍卷風(fēng)龍卷風(fēng)雷暴雷暴火山噴發(fā)火山噴發(fā)沙塵暴沙塵暴海嘯海嘯地震地震颶風(fēng)颶風(fēng)滑坡滑坡臺風(fēng)臺風(fēng)There are some words about natural phenomena or natural disasters. Match them up.tsunami: an earthquake happening under the sea floorGuess which natural phenomenon or natural disa

4、ster is being defined.earthquake: a sudden violent movement of the Earths surface, sometimes causing great damagethunderstorm: a lot of rain falling quickly, with loud noises and flashes of lightsandstorm: a storm caused by strong winds and blowing sand or dust flood: a lot of water in an area which

5、 is usually drytornado: a column of air that turns very quicklytyphoon: a tropical cyclone (熱帶氣旋熱帶氣旋) occurring in the western Pacific or Indian Oceanhurricane: a violent storm with extremely strong winds and heavy rainlandslide: a large amount of earth and rocks falling down a cliff or the side of

6、a mountain. volcanic eruption: ash sometimes rising into the air from inside the earthWhat do you know about volcanoes? Please look at the diagram below. It shows a volcano erupting.volcanic eruptionBoiling rock erupts from the crater; the lava flows slowly down the mountain. lavacraterash cloud/vol

7、canic ashMore about volcano1. How is a volcano formed?The rocks under the earth become hotter and hotter and erupt from the mountain.Joints between the plates. Often near the oceans.2. From where is it most probable for a volcano to erupt?Haleakala Crater, the largest dormant volcano(休眠火山休眠火山) in th

8、e worldMaui, HawaiiAn active volcano3. What types of volcanoes do you know?A dormant volcanoAn extinct volcanoThe Kilauea volcano Lets learn something about a famous volcano.More information about Mount Kilauea The Kilauea volcano Mount Kilauea is one of the most active volcanoes on Earth. Mount Kil

9、auea in Hawaii has erupted 62 times in 245 years. The current eruption began in January 1983 and has been going on ever since.Hawaiis Kilauea volcano began erupting in January 1983 with a spectacular arching (arch: 拱起拱起) lava fountain. This photo was taken on Feb. 25, 1983.Geologists preparing to co

10、llect samples near an active vent (排放口排放口) erupting in the background at Kilaueas east rift zone (斷裂帶斷裂帶) on Jan. 7, 1983.An aerial (空中的空中的) view of Puu Oo crater, where the eruption has been occurring, at dusk, soon after the Kilauea eruption began. Photo taken June 29, 1983.An aerial view of Puu O

11、o crater from the southeast on April 21, 1988.An aerial view of the lava lake in Puu Oo crater, taken Aug. 30, 1990. The crater was about 800 feet (250 meters) in diameter.Kilauea volcanos eruption destroyed Hawaii Volcanoes National Parks Wahaula Visitor Center, shown on the top in 1987. The buildi

12、ng was set aflame (著火的著火的) by molten (熔化的熔化的) lava on June 22, 1989.Lava from Kilauea volcano flows from a tube into the sea near Kupapau Point in Hawaii. Photo taken Nov. 27, 1989.Lava enters the ocean in May 2010 from the Kalapana flow at Kilauea volcano in Hawaii.A geologist taking a sample on July 14, 2010, from a recently formed skylight (天窗天窗) o