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VOLCANOS

This is our work about volcanoes, created by Carmen (prezi work and oral expositon) and Maria (infotmation and written exposition) of 1ºA ESO. Hope you like it!!!
by

Carmen Barreiro Montes

on 3 November 2014

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Transcript of VOLCANOS

Definition:
Creation of volcanoes:
The volcanoes are formed when the hot material (usually magma) on the interior of the earth raises and spill out of the crust
Types:
Hawaiian:
History of Pompeii
Pompeii was a Roman city that was by the side of Mount Vesuvius, near the city of Herculaneum. One day Vesuvius was rare reactions and the city was alerted but no one thought that it cud be dangerous. They believed that the gods where sending them a message. Only a few persons leave the city. Several days after, Vesuvius expelled toxic gases and then, people went to the beach to escape by boat as well, but the wind was blowing against gases and took them to the beach and town.
Most of the people died intoxicated and the rest buried under the ashes.
The city of Herculaneum suffer similar damage

Famous volcanoes:
VOLCANOES
Origins: The name of volcanoes came of the roman name of the god of the fire and the metalworking called Vulcano. He was the son of Jupiter (god of the lightenings and king of gods) and June (goddess of marriadge and family). He was married with Venus, the godness of the love and beauty
The volcano is a crack in the earth's crust , where rocks in fusion, magma and gases go outside the earth.
Parts:
The ash and gases are composed by small roks and minerals that in the majority of times , they are more dangerous than the lava or the big falling rocks
is a mixture of gases but without rocks and when it cools, it becomes volcanic rock.
magma
is a mixture of molten minerals and gases that can reach temperatures between 700 to 1300 degrees.
a region of porous rocks in layers
They don't release much gases and ash
Lava is fluid and out of its sides results in rivers and lakes.
Level of dangerous:
LOW
Strombolian:
They got flud lava, but they relese lots of gases that are easy to dissolve. They cause explosions
Level of dangerous:
MEDIUM
Vulcanian
They cause violent explosions and they release lots of gases with a very dense lava
Level of dangerous:
HIGH
Pelean:
They can release clouds of ash and gases that slipped down the volcano dragging all on their way. their lava are extremely dense
Level of dangerous:
HIGEST!!!!!
1.Kilimanjaro
(in Tanzania)
2.Mount Fuji:
(in Japan)
Last eruption in:
1707
3.Krakatoa: (Indonesia)
Last eruption:
1883
0:40-1:15
Doctor Who: Fires on Pompeii
The area with most of volcanoes are called the ring of fire
4.The volcano Popocatépetl, México


5. The mount Tambora - Sumatra, Indonesia
6. The volcano Kilauea, Hawái
7. The mount Vesuvius, Italia
8. The mount Etna - Sicilia, Italia
9. The Mount St. Helens
10. The Volcano Mauna Loa, Hawai
But, remember, not all volcanoes are that dangerous
And that is all, We hope you like our presentation
Bye!!!!!
Created by:
Carmen Barreiro Montes Nº4
María Moscoso Gonzalez Nº16
These is a video about volcanoes of the National Geographic
Full transcript