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Is the outer core liquid or solid
liquid
is the inner core liquid or solid
solid
which is the thickest layer??
mantle
What are 2 things inner core is made of?
iron and nickel
What 2 things do scientists get evidence about earth's interior from?
rocks, seismic waves
the crust is between what and what kilometers thick?
5 and 40
about how many meters thick is the mantle?
3000
rocks that formed from cooled magma or lava
igneous
rocks that formed from small pieces of rock or remains of plants and animals pressed together
sedimentary
rocks that changed by heat, pressure or chemical reaction
metamorphic
what name means to change?
metamorphic
what is the outer layer of the earth?
crust
where do seismic waves come from
earthquakes
what is the 2nd layer of the earth
mantle
do metamorphic rocks form above or below earth
below
