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science > Earth and Space > Flashcards

Earth and Space Flashcards

1
Q

What is the first layer of earth?

A

Crust

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2
Q

What is the second layer of earth?

A

Mantle

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3
Q

What is the third layer of earth?

A

Outer core

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4
Q

What is the fourth layer of earth?

A

Inner core

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5
Q

What is the layer we live on?

A

Crust

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6
Q

Where is magma found?

A

Mantel

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7
Q

Which layer is 600 deg c

A

inner core

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8
Q

Where do convection currents happen?

A

Mantel

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9
Q

What layer is mad mostly of rock, soil and water?

A

Crust

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10
Q

Wha layer mostly consists of liquid?

A

Outer core

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11
Q

Which layer is 1200km wide aprox.?

A

Inner core

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12
Q

Which layer is 2900 km wide aprox.?

A

Mantel

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13
Q

Which layer is 50 km thick?

A

Crust

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14
Q

Which layer is 2266 km wide aprox.?

A

Outer core

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15
Q

What layer is mostly made out of iron?

A

Outer core

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16
Q

What is a Convection Current?

A

They form because heated fluid expands becoming less dense. Then the less dense heated fluid rises becoming more dense. As it rises it pulls cooler fluid down to replace it. This movement establishes a circular current.

17
Q

What is the first layer of the atmosphere?

A

Troposphere

18
Q

What is the second layer of the atmosphere?

A

Stratosphere

19
Q

What is the third layer of the atmosphere?

A

Mesosphere

20
Q

What is the fourth layer of the atmosphere?

A

Thermosphere

21
Q

What is the fifth layer of the atmosphere?

A

Exosphere

22
Q

What armosphere layer do we live in?

A

Troposphere

23
Q

What atmosphere layer has the ozone layer in the middle?

A

Stratosphere

24
Q

What atmosphere layer is 10 000 km above earth?

A

Exosphere

25
Q

What atmosphere layer gets as cold as -130 deg C ?

A

Mesosphere

26
Q

What atmosphere layer feels cold when it is hot?

A

Thermosphere

27
Q

How thick is the troposphere?

A

7-14 km

28
Q

how many km is the stratosphere?

A

20-50 km

29
Q

How many km is the mesosphere?

A

50-85 km

30
Q

How many km is the thermosphere?

A

85-500 km

science (6 decks)

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