Interior Of Earth Test Review 2: Question Preview (ID: 8306)

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What part of the Earth makes up only 1% of the Earth's mass?
a) the crust
b) the core
c) the mantle
d) the Moho

How much of the Earth's mass does the core contain?
a) 1/2
b) 2/3
c) 1/3
d) 1/4

The outer core is composed of
a) metal and is a solid.
b) rock and is brittle.
c) the Moho and it is hot.
d) metal and is a liquid.

The density of the outer core is __________ than the density of the inner core?
a) greater
b) less
c) equal
d) cooler

Parts of the core have a greater temperature than parts of the _____________.
a) crust
b) sun
c) moon
d) ocean

The density of the continental crust is
a) 3.0 g/cm3
b) 2.7 g/cm3
c) 5 g/cm3
d) 1.8 g/cm3

The density of the oceanic crust is
a) 1.8 g/cm3
b) 5 g/cm3
c) 2.7 g/cm3
d) 3.0 g/cm3

Contains rocks up to 4 billion years old?
a) mantle
b) continental crust
c) oceanic crust
d) core

Contains rocks 180 million years old.
a) mantle
b) continental crust
c) oceanic crust
d) core

What part of the crust is composed of all types of rocks: igneous, sedimentary and metamorphic?
a) mantle
b) core
c) oceanic crust
d) continental crust

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