Atmosphère Flashcards

Étude thématique 8

1
Q

% Azote dans l’air?

A

78%

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2
Q

% Oxygène dans l’air?

A

21%

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3
Q

% Dioxyde de carbone dans l’air?

A

0,03%

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4
Q

% Argon dans l’air?

A

0,93%

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5
Q

Caractéristiques Troposphère

A

0-12km, phénomène météo, 80% de l’air

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6
Q

Caractéristiques Stratosphère

A

12-50km, couche d’ozone (20-50km)

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7
Q

Caractéristiques Mésosphère

A

50-80km, étoiles filantes

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8
Q

Caractéristiques Thermosphère

A

80-500km, temperature varie le +, aurores boréales

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9
Q

Caractéristiques Exosphère

A

500+km, satellites

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10
Q

Les deux roles de l’atmosphère?

A

Bouclier et régulateur thérmique

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11
Q

En ordre les couches d’atmosphères

A

-Troposphère
-Stratosphère
-Mésosphère
-Thermosphère
-Exosphère

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