课件13张PPT。Typhoon sandstormfloodearthquaketornadosnowstormtsunamilandslidecyclonehailstormvolcanoHurricane The power of natureCatastrophic eruption of Mount Vesuvius on August 24 of 79 A.D. buried the towns of Herculaneum and Pompeii in Italy. Mount Vesuvius
?This mountain has erupted more than 50 times since the eruption in 79 A.D., when it buried Pompeii and its sister city, Herculaneum.
?After Pompeii was buried and lost to history, the volcano continued to erupt every 100 years until about 1037 A.D., when it entered a 600-year period of quiescence.
?In 1631, the volcano killed an additional 4000 unsuspecting inhabitants. ? Mount Kilauea
It is Hawaii's youngest and yet most active volcano. It first erupted in January 1983 and has been active ever since.
In the past 245 years there have been 62 eruptions... That's about an eruption every four years.
Mt. Kilauea is a shield volcano-the largest types of volcanoes in the world and have fluid lava and are basically, just broad slopes.
An extinct volcanoHaleakala Crater, the largest dormant volcano in the world
Maui, Hawaii
An active volcanoQuestions Have you ever seen a volcano in the flesh? If you have, share your experiences with your classmates and teachers?
Do you like exploring volcanoes? Are you afraid the dangers you may face?
Do you know what a volcanologist do and how important his or her job is ?
Reading and comprehensionWhy is the lava that flows on Mount Kilauea more dangerous than the actual eruption?
Why is a vocanologist’s job important?
What caused the writer’s bedroom to become as bright as a day even though it was night/
Why did the scientists have to get close to the volcano after it began erupting?
Why was it difficult for the writer to walk towards the edge of the crater?
What does the writer find impressive about volcanoes even after studying them for 20 years?
Explore the Wonder of NatureMount Tai ShanMount Hua ShanJiu Zhai GouGiant panda
Research CenterMount Chang Bai ShanTian ChiReading and ComprehensionReading the article and tell the statements are true or false.
1.Changbaishan is the second largest nature reserve in China.
2. The peak of Changbaishan can reach as high as 2,000 meters.
3. You can see a lot of black bears, leopards or cranes in Changbaishan.
4. Tianchi is a lake in the crater of an extinct volcano.
5. The ancestors of the Manchu people were believed to be good at language and persuasion. FTFTT