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4ºEP. THE ATMOSPHERE. NATURAL SCIENCE. FORMACIÓN - Contenido educativo

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Subido el 7 de noviembre de 2016 por Cp santodomingo algete

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The atmosphere is a layer of air which covers the earth and is 1000 km thick. 00:00:00
The atmosphere is like a protective shield because it stops the sun's rays from directly 00:00:35
reaching the earth. 00:00:41
The atmosphere makes life on our planet possible because it regulates the surface temperature 00:00:43
of the Earth and it filters radiation from the Sun. 00:00:48
The atmosphere is divided in five layers. 00:00:53
From the closest to the surface these are the troposphere, the stratosphere, the mesosphere, 00:00:56
the thermosphere and the exosphere. 00:01:04
The troposphere. 00:01:10
Water vapor and most of the oxygen we breathe is in this layer. 00:01:12
can find clouds, rain and wind here. The stratosphere. The air forms horizontal 00:01:16
layers or strata here. It contains the ozone layer which absorbs most of the 00:01:25
sun's harmful rays. The mesosphere. There is very little air in this layer. We can 00:01:32
see shooting stars and there is sometimes turbulence here. Spaceships 00:01:41
returning to Earth start to feel the friction of the atmosphere here. 00:01:46
The thermosphere. There is very little air and it can be very hot up to 2,000 00:01:53
degrees centigrade. Many meteorites disintegrate here. 00:01:59
The exosphere, the transition zone between the Earth's atmosphere and space. 00:02:06
You can find artificial satellites here. 00:02:13
This is the mind map that will help you review the layers of the atmosphere. 00:02:21
Autor/es:
CEIPS SANTO DOMINGO
Subido por:
Cp santodomingo algete
Licencia:
Todos los derechos reservados
Visualizaciones:
105
Fecha:
7 de noviembre de 2016 - 1:32
Visibilidad:
Público
Centro:
CP INF-PRI SANTO DOMINGO
Duración:
02′ 26″
Relación de aspecto:
1.78:1
Resolución:
1280x720 píxeles
Tamaño:
104.42 MBytes

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