Earths Layers: Question Preview (ID: 11768)

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Why does the ocean crust go underneath the continental crust
a) Ocean crust is made of granite which is more dense than continental crust
b) Ocean crust is made of basalt which is less dense than continental crust
c) Ocean crust is made of basalt which is more dense than continental crust
d) Ocean crust is made of granite which is less dense than continental crust

The density of the materials making up the layers as you go down into the Earth
a) Increases
b) Decreases
c) Stays the same
d) Changes randomly

This is the thickest layer of the Earth and has three sub layers
a) The Geosphere
b) The crust
c) The core
d) The mantle

This is a Semi solid layer that oozes like putty
a) Lithosphere
b) Asthenosphere
c) Geosphere
d) Hydrosphere

Solid iron and nickel make up this layer
a) Inner core
b) Outer core
c) Mantle
d) Asthenosphere

This rigid layer is composed of the crust and upper mantle
a) Rocksphere
b) Geosphere
c) Asthenosphere
d) Lithosphere

Where is the Asthenosphere located
a) The lower crust
b) The middle mantle
c) The upper mantle
d) The outer core

This is the only liquid layer of the Earth
a) The outer core
b) The inner core
c) The oceans
d) The asthenosphere

Compared to Oceanic crust, Continental crust is
a) Thicker and more dense
b) Thicker and less dense
c) Thinner and less dense
d) Thinner and more dense

This movement causes magma to rise and sink, moving the tectonic plates around the Earth
a) Seismic Waves
b) Earth rotation
c) Ocean currents
d) Convection currents

What do scientist study to determine what the inside of the Earth is like
a) Seismic Waves
b) Movies
c) Faults
d) Fortune tellers

What is a tectonic plate
a) A slab of crust and upper mantle that drifts over Earth's surface
b) A slab of crust where convection occurs
c) A part of the asthenosphere where convection occurs
d) something to eat dinner on

The part of the mantle that moves like putty is the
a) Asthenosphere
b) Lithosphere
c) Mesosphere
d) Outer core

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