16 terms

Check Point Quiz- Earth's Structure

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hydrosphere
contains all of Earth's water
geosphere
contains nearly all of Earth's mass, found in rocks and metals
atmosphere
made up primarily of oxygen and nitrogen
inner core
1) dense ball of solid metal
2) layer in which pressure is the greatest
outer core
1) made of liquid iron and nickel, which moves to produce Earth's magnetic field
2) where basalt is found
mantle
the middle, thickest layer of hot solid rock
crust
Earth's thinnest layer
lithosphere
the physical layer made up partly of crust and partly of mantle material; where granite is found
mineral
a naturally occurring solid that has a crystalline structure
rock
formed by combining one or more minerals
metamorphic rock
1) the kind of rock that forms when heat or pressure change an existing rock
2) becomes magma through the process of melting
igneous rock
the kind of rock that forms when magma or lava cools
sedimentary rock
the kind of rock that forms when small particles of rocks or the remains of plants and animals are pressed and cemented togther
rock cycle
the series of processes that slowly change rocks from one kind to another
asthenosphere
1) made of less rigid rock; this part of the mantle can bend
2) part of the compositional layer called Mantle
melting
the process where metamorphic rock can become magma