geography year 7

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what is the inner core made up of
iron and nickel
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what layers of the earth are made of iron and nickel
inner/outer core
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what substance is the mantle like
toffee
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what is the mantle made of
magma
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what are the two types of crust
continental and oceanic plates
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what are convection currents
heat rising up and down in the mantle
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what liquid is convection current like
hot soup
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what is a plate boundary
where two plates meet
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what are the three different plate boundaries called
destructive, constructive, conservative
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what happens at constructive plate boundaries
the plates move apart
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what happens at destructive plate boundaries
the plates move towards each other
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what happens at conservative plate boundaries
the plates slide past each other
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at what type of plate boundary do earthquakes occur
all three
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at what type of plate boundary do volcanoes occur
destructive and constructive
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what is lava called when it is still inside the volcano
magma
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what is pyroclastic flow
a mixture of dust,ash, rock and hot steam
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what instrument is used to measure earthquakes
a seisometre
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what is the scale that measures the size of earthquakes called
the ritcher scale
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what is the epicentre
the immediate spot where the earthquake is coming from
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what is the focus
the spot above the epicentre on the ground
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what is a settlement
a place where somebody lives
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what is a site
where a settlement is
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what is a situation
where settlement is in relation to its surroundings
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what is a settlement hierarchy and what does it tell us
a triangular shape table that tells us that the higher up the table you go the frequency decreases and the size increases
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Other cards in this set

Card 2

Front

what layers of the earth are made of iron and nickel

Back

inner/outer core

Card 3

Front

what substance is the mantle like

Back

Preview of the front of card 3

Card 4

Front

what is the mantle made of

Back

Preview of the front of card 4

Card 5

Front

what are the two types of crust

Back

Preview of the front of card 5
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