Unit 2 Natural Disasters Welcome to the unit课件 2022-2023学年高中英语牛津译林版必修第三册

Unit 2 Natural disaster Welcome to the unit Lead in 1. What happened in the news video? An earthquake stroke/hit Japan. 2. If you were there, how would you feel? Video: Japan earthquake news 2 Lead in What other natural disasters do you know? sky mountain soil sink hole tornado landslide storm surge hurricane lightening river/sea wild fire earthquake flood tsunami 3 Watch video Natural disasters are terrible reminders of the power of nature. Watch the video. What’s the meaning of “the power of nature?” Destructive? Unpredictable? Extensive? Unstoppable? 本课时译林视频 4 Watch the video and finish the following exercises. Plates moving underground can cause an earthquake, which is _____________________ of the earth’s surface. When a volcano erupts, ____________, volcanic ash and even rocks escape through a large opening at the top. A large amount of _________________ falling down a hill or mountain is called a landslide. a sudden shaking hot gases earth and rock Watch video 5 How many small earthquakes happen every year? Several million small earthquakes. What can the volcanic gas and ash cause? They can cause acid rain and even storms. 3. What are landslides often caused by? Heavy rainfall, earthquakes, volcanic eruptions or other natural disasters. Sometimes human activities such as cutting down forests can also cause landslides. Presentation Earthquake plate n.板块 surface n.表面 volcano erupt v.爆发 ash n.灰 escape v.逃离 landslide fall down 倒塌 hill n.山丘 Try to use your words to explain why or how it happened? Discussion What natural disasters in history have you heard about? 8 Let’s take a look at some of the world’s most destructive natural disasters. 2011 Tōhoku earthquake and tsunami 日本东北地方太平洋近海地震 2011 Tōhoku earthquake and tsunami 日本东北地方太平洋近海地震 It was the most powerful earthquake ever recorded in Japan, and the fourth most powerful earthquake in the world. the Japanese National Police Agency report confirmed 15,899 deaths, 6,157 injured, and 2,529 p