La structure de la Terre

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Questions and Answers

État de la matière (croute terrestre)

solide

Composition (croute terrestre)

roche

Pourcentage du volume totale (croute terrestre)

2%

Température (croute terrestre)

<p>0 à 900 C</p> Signup and view all the answers

Épaisseur ou rayon (continents) croute terrestre

<p>30 à 65km</p> Signup and view all the answers

Épaisseur ou rayon (océan) croute terrestre

<p>5 à 15km</p> Signup and view all the answers

État de la matière (manteau)

<p>solide</p> Signup and view all the answers

Composition (manteau)

<p>magma</p> Signup and view all the answers

Pourcentage du volume totale (manteau)

<p>81%</p> Signup and view all the answers

Température (manteau)

<p>900 à 3 500 C</p> Signup and view all the answers

Épaisseur ou rayon (manteau)

<p>2 800km</p> Signup and view all the answers

État de la matière noyau (interne)

<p>solide</p> Signup and view all the answers

État de la matière noyau (externe)

<p>liquide</p> Signup and view all the answers

Composition (noyau)

<p>fer et nickel</p> Signup and view all the answers

Pourcentage du volume totale (noyau)

<p>17%</p> Signup and view all the answers

Température (noyau)

<p>3 500 à 5 000 C</p> Signup and view all the answers

Épaisseur ou rayon (noyau)

<p>3 500km</p> Signup and view all the answers

Flashcards

Crust State of Matter

Solid

Crust Composition

Rock

Crust Volume Percentage

2%

Crust Temperature

0 to 900°C

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Crust Thickness (Continents)

30 to 65 km

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Crust Thickness (Ocean)

5 to 15 km

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Mantle State of Matter

Solid

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Mantle Composition

Magma

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Mantle Volume Percentage

81%

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Mantle Temperature

900 to 3,500°C

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Mantle Thickness

2,800 km

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Core (Inner) State of Matter

Solid

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Core (Outer) State of Matter

Liquid

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Core Composition

Iron and Nickel

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Core Volume Percentage

17%

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Core Temperature

3,500 to 5,000°C

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Core Thickness

3,500 km

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