science u4 qz1 Flashcards
the earth was formed
4.6 billion yrs agon
how much of earth is made of salt water
71%
how is the earth studied
by sesmic waves
what is the crust
thin, solid, outermost zone
how much of the earth is the crust
1% of the earths mass is the crust
lower bounds of the earth is called
moho
what layer is 2/3 of the earths mass
mantle
what is the outermost layer of the mantle
lithosphere
what are the two qualilies of the lithosphere
brittle and cooler
which layer below the lithosphere is plasticiticy
the astheoshpere
what are the qualilty of the astheosphere
less rigid
what is below the astheosphere
the mesosphere
what is the mesosphere made of
solid rock
what is the core and where is it located within the earth
a sphere below the mantle
what is the outer core
a dense liquid
what is the dense liquid made of inside the outer core
iron and nickel
what is the inner core
dense rigid solid
what is the inner core made of
iron and nickel
where does the magentic fleild expand to
the magnetosphere
what did alferd wagner notice
the contidients fit together like a puzzle
what is fossil evidance
the same fossil found on different contidents
what are montain ranges
ranges ending in one coast and then reoccuring in another coast
what is the climate
particular regions and glaciers in places you would normally see them
what is rock formation
ages and types of rock foud in areas where the condients would have been connected
