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earth - Coggle Diagram
earth
earths spheres
Biosphere
all parts of the earth surface
Lithosphere
lithosphere is the rigid outer part of the earth
Hydrosphere
hydrosphere is all the water on the earth surface.
atmosphere
vapour the gasses surrounding earth
layers of earth
crust
what we live on
mantle
made up of semi-molten rock called magma
outer core
layer surrounding the inner core it is a liquid layer made of iron and nickel
inner core
the centre and hottest part of the earth
rocks
Igneous
can be lit up and made of magma
solidified magma
sedimentary
made up of pre-existing rocks remains of organisms compacted
can be found in oceans and rocky surfaces
metamorphic
compressed by heat and pressure
marble
boundaries
convergent
A convergent boundary occurs where two plates are pushing toward each other.
divergent
A divergent boundary marks two plates that are moving apart from each other.
transform
A transform boundary occurs where two plates slide past each other
plates
some of the plates contain continents and others are under the ocean
The type of crust that underlies the continents is called continental crust
type found under the oceans is called oceanic crust
continental drift
1912 alfred wegener proposed the idea all continents were in one land mass called pangaea
pangaea broke into two continents
gondwana
southamerica
africa
australia
india
lauraisia
jigsaw
jigsaw earth shows the position of the tectonic plates and ow they fit into other plates