Unit 5 The power of nature reading

课件25张PPT。The Power of NatureUnit 5In February, 2008, what happened to China? Do you know any other natural disasters ?
Please work with your partners and
make a list of natural disasters .snowstormearthquakeflooddroughtthunder/ lightningtornado/cyclonehurricane /typhoontsunamivolcano-eruptionWhat do you know about volcano?
Do you know how a volcano erupts?volcano-eruptionBoiling rock erupts from the crater;
the lava flows slowly down the mountain. Magma chamberLavaCraterAsh cloudMore about the volcano1. How is a volcano formed?The rocks under the earth become hotter and hotter and erupt from the mountain.Near the oceans.Where is most possible for a volcano
to erupt?An extinct volcanoAn active volcano3. What types of volcanoes do you know?A dormant volcanoWho will climb into a live volcano to take the temperature of the boiling rock inside?What kind of things might a volcanologist do?
Collect and evaluate information about volcanoes. Do you want to be a
volcanologist?An Exciting JobWorking as a volcanologist. What might be talked about? What does a volcanologist do? Is the work important? First Reading His work can help save many lives because people in the path of the lava can be warned to leave their home. Part 1(Para 1-2)
Part 2(Para 3-4)

Part 3(Para 5)

The writer’s job and its importance The writer’s experience of watching the volcanic eruptionThe reasons for the writer’s enthusiasm about his jobRead again and try to find out main ideas of each part.Part one (Para. 1- Para. 2) Why is a volcanologist’s job important?
2) Where is Mount Kilauea?
3) The writer doesn't mind the occasional danger of his job because _____________________________.It can warn people when the volcano is going to erupt and save many lives.In Hawaii.him and makes him feel alivedanger excitesCareful readingPart two (Para. 3- Para. 4) Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?
What made the author realize that an eruption occurred?
What did the scientists do after the eruption ?The lava can cover up or burn villages in its path. The rocks from the volcano usually don’t damage anything because no one lives near the crater. my bed began shakinga strange soundMy bedroom became as bright as dayan abosolutely fantastic sightred hot lava was fountaining hundreds of metres into the air What made the author realize that an eruption occurred ?What did the scientists do after the eruption ? put on white protective suits, helmets,
big bootsdropped as close as possible to the craterslowly make our way to the edge of the
craterlooked down into the red boiling centerPart two (Para. 3- Para. 4) 4. What does the writer mean by using “lucky” in the sentence “I was lucky enough to have a much closer look at it.”?
5. Why did the scientists have to get close to the volcano after it began erupting?To get some lava for later study.It was his first sight of an eruption.
It was the first time for him to watch the crater.Part three (Para. 5) What does the writer find impressive even after studying volcanoes for more than twenty years? The author is impressed by the beauty of the eruption and also by its potential to cause great damage.How does the writer think about his job?
Why? ThinkingDo you think it is an occupation you would enjoy? Discuss your reasons with your classmates.Discussion