structure of the earth Flashcards

1
Q

a thin crust

A

A thin crust – solid, 5-70km
thick

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2
Q

mantle

A

Mantle – hot molten rock.
Has the properties of a
solid but it can also flow.

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3
Q

outer core

A

Outer core – very hot and
made of liquid

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4
Q

inner core

A

Inner core – solid and as hot as the surface
of the sun. Made of metals iron and nickel

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5
Q

label the different layers of the Earth (in order from the surface to the centre

A

crust
mantle
outer core
inner core

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6
Q

fill in the gaps

earth is made up of 4 layers. at the centre of our planet is the _______ which is as hot as the surface of the _______.it is made of metals mainly and ______ and______.the _____ core is made of liquid and the inner core is ______ metal.above this is the _______ which contains hot molten rock called _____. the ______ where we live is the thinnest layer and is made of ______ and soil.

A

inner core
sun
iron
nickel
outer
solid
mantle
magma
crust
rocks

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7
Q

what is the crust made up of?

A

The crust is made up of pieces called plates. There are
two types of crust: oceanic and continental crust. The
oceanic crust is found under the sea and is thinner and
more dense than the continental crust

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