Layers of the earth Flashcards

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1
Q

what is the layer that we live on?

A

crust

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2
Q

what is the layer that magma is found on?

A

mantel

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3
Q

what layer is mostly made of iron?

A

outer core

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4
Q

what layer is solid and why?

A

inner core, because of the high pressure

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5
Q

is it true that the mantle is where the convection current occur

A

yes it is true

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6
Q

what is the temperature of the inner core

A

6000 degrees celcius

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7
Q

how wide is the crust

A

rarely exceeds 50km

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8
Q

how wide is the mantel

A

2900km (approx)

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9
Q

how wide is the outer core

A

2266km (approx)

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10
Q

how wide is the inner core

A

1200km (approx)

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11
Q

what is the thinnest layer?

A

crust

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12
Q

what is the crust made of?

A

soil, water and rock

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13
Q

is it true that it gets more solid closer to the crust, in the mantel?

A

yes

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14
Q

what is the outer core made of?

A

made mostly of iron

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15
Q

why is the outer core consisting of mostly liquid?

A

due to the high heat

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16
Q

what is the inner core- basically

A

a hot dense ball of mostly iron