unit_5_the_power_of_nature.ppt

1、period 1 the lava flows slowly down the mountain。magma chamber、lava、crater、ash cloud/volcanic ash、more about the、the rocks under the earth become hotter and hotter，near the oceans。where is most possible for a volcans、an extinct volcano、haleakala crater、the largest dormant volcano in the world maui、h

2、aw awaare you suitable for being a volcano logist？answer“yes”或“no”to the following questions。pre-reading (4m)、predicting(预测)、what mat、What is the writer？When did he first see an eruption？How did it look like？what was he wearing when getting close to the crater？And what was the result？skim the text a

3、nd answer the following questions、skimming (3m)和what is the writer？When did he first see an eruption？How did it look like？he is a volcano logist working for the Hawaiian volcano ob servatory . he mainly collects information about mount kilauea。It was in the second week after he arrived in Hawaii . I

4、t was very bright although It was night . red lava fountain ed hundreds of meters into the as It was a fffswhat was he wearing when getting close to the crater？And what was the result？he was wearing white protective suits that covered his whole body、helmets、big boots and special gloves、just like a s

5、pacemanIt made him difficult to walk。1 .why is a volcanologists job important？2.why is the lava that flows on mount kilauea more dangerous than the actual eruption？3.why did the scientists have to get close to the volcano after it began erupting？what does the writer find impressive about volcanoes e

6、ven after studying them for 20 years？scan the text and answer the following questions、scanning (5m)、1。why is a volcanologists job important？volcanologists study volcanoes so that they can warn people when the volcano is going to erupt and so save many lives . 2 . why is the lava that FLL N mount key

7、the lava flows down the mountain and can cover up or burn villages in its path . the rocks that erupt from the volcano usually dont damage anything Bei ausas，3 .why did the scientists have to get close to the volcano after it began erupting？The scientists needed to get samples of The lava so they could study them . 4 . what does The writer find impressive about volcanoes even after ss The authespart 1(para 1-2)part 2(para 3-4)part 3(para 5)，the writers job and its importance，the writers experiesdiscuss your reasons with others in your cla