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Презентация на тему: Natural disasters

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Презентация на тему: Natural disasters


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№ слайда 1 Natural disasters
Описание слайда:

Natural disasters

№ слайда 2 Tornado
Описание слайда:

Tornado

№ слайда 3 Tornado - monstrously narrow rotating column of air that extends from a thunders
Описание слайда:

Tornado - monstrously narrow rotating column of air that extends from a thunderstorm cloud to the ground. As the wind is invisible, you can not always see a tornado. Visible sign - funnel consisting of water droplets, sometimes items throughout its existence tornadoes are not always in contact with the ground. Dust and debris in a rotating funnel also make a tornado visible and indicate the position of the tornado.

№ слайда 4 Known fact:   Tornado - the most violent disaster.
Описание слайда:

Known fact:   Tornado - the most violent disaster.

№ слайда 5 Volcanic eruption
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Volcanic eruption

№ слайда 6 Eruption - process emissions volcano on the Earth's surface hot debris, ash outp
Описание слайда:

Eruption - process emissions volcano on the Earth's surface hot debris, ash outpouring of magma, which izlivshis on the surface, it becomes lava. Eruption may have a time period ranging from several hours to many years.

№ слайда 7 Interesting fact: On Earth, about 1500 active volcanoes, not counting submarines
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Interesting fact: On Earth, about 1500 active volcanoes, not counting submarines. Of these, only 20-30 erupt each year.

№ слайда 8 Earthquake
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Earthquake

№ слайда 9 Earthquake - is any wobble in the Earth surface due to natural causes, among whi
Описание слайда:

Earthquake - is any wobble in the Earth surface due to natural causes, among which the main role belongs to tectonic processes (mass transfer inside the Earth). It is a common phenomenon observed in many areas of continents and on the ocean floor.

№ слайда 10 Interesting fact: In the main earthquakes happen because of geological problems,
Описание слайда:

Interesting fact: In the main earthquakes happen because of geological problems, but sometimes they can be caused by landslides, explosions in mines, nuclear tests and volcanic activity.

№ слайда 11 Flood
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Flood

№ слайда 12 Flood - is significant flooding areas from rising water levels in the river, lak
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Flood - is significant flooding areas from rising water levels in the river, lake or sea during snowmelt, rainfall, wind surges, with traffic jams, ice jams, etc.

№ слайда 13 Interesting fact: The annual damage to the world economy floods and other water-
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Interesting fact: The annual damage to the world economy floods and other water-related disasters, ranging from 50 to 60 billion U.S. dollars.

№ слайда 14 Ice
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Ice

№ слайда 15 Ice - this dense layer of ice formed on the surface of the earth, sidewalks, roa
Описание слайда:

Ice - this dense layer of ice formed on the surface of the earth, sidewalks, roadway and on objects (trees, wires, etc.) when freezing of supercooled rain and drizzle (fog)

№ слайда 16 Interesting facts: In terms of handling and stability of the car on the road is
Описание слайда:

Interesting facts: In terms of handling and stability of the car on the road is much more dangerous ice icy.

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