Interior Of Earth Review 1 Question Preview (ID: 8304)


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Which compositional zone makes up almost two thirds of the Earth's mass?
a) the crust
b) the core
c) the mantle
d) the Moho

The source of Earth's magnetic field may be
a) the liquid iron in Earth's outer core.
b) Earth's dense, rigid inner core.
c) the solid rock in the asthenosphere.
d) the rocky mantle.

Which two metals make up the core?
a) potassium and zinc
b) aluminum and iron
c) gold and silver
d) nickel and iron

Pressure increases as you ______________ to the core.
a) ascend
b) descend
c)
d)

How thick is the Continental crust?
a) 15-80 km thick
b) 20-100 km thick
c) 5-10 km thick
d) 15-200 km thick

How thick is the oceanic crust?
a) 15-80 km thick
b) 20-100 km thick
c) 5-10 km thick
d) 15-200 km thick

A softer layer of solid rock that is hot enough to be able to flow.
a) mesosphere
b) lithosphere
c) atmosphere
d) asthenosphere

Upper layer of Earth, which includes the crust and a small amount of the mantle.
a) mesosphere
b) lithosphere
c) atmosphere
d) asthenosphere

The _______________ is moving over the top of the asthenosphere.
a) mesosphere
b) lithospere
c) atmosphere
d) asthenosphere

Composed of mainly igneous rock (basalt).
a) continental crust
b) core
c) oceanic crust
d) mantle

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