B unit warming up and reading.ppt

Can you list some other natural disasters ? natural disasters sandstorm typhoon hurricane tornado 龙卷风 earthquake tsunami debris flow 土石流 snowstorm thunderstorm volcano The power of nature 高二英语人教版选修 6unit5 The power of nature However weak we are, we are pletely powerless, we must do something to protect ourselves from powerful natural forces, so many scientists are researching …… Have you ever considered how weak humans pared with a volcano, hurricane or earthquake? Reading An exciting job What else do you know about volcano? Boiling rock Lava Crater Ash cloud Boiling rock erupts from the crater; the lava flows slowly down the mountain. volcano-eruption ? How is a volcano formed? The rocks under the earth es hotter and hotter and erupted from the mountain. An extinct volcano An active volcano types of volcanoes A dormant volcano Near the oceans the spread of volcanoes 1. What is the writer? He is a volcanologist working for the Hawaiian Volcano Observatory. does mainly the writer do? He mainly collects information about Mount Kilauea. First reading