Layers Of The Earth Question Preview (ID: 27825)
Composition Of The Earth, Convection Currents, Main Layers.
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What layer of the Earth is the thickest?
a) lithosphere
b) mantle
c) outer core
d) inner core
What layer is composed of solid iron and nickel?
a) lithosphere
b) mantle
c) outer core
d) inner core
What layer is composed of granite?
a) continental crust
b) oceanic crust
c) lithosphere
d) mantle
Where are the convection currents found?
a) lithosphere
b) mantle
c) asthenosphere
d) outer core
What layer is composed of basalt?
a) continental crust
b) oceanic crust
c) lithosphere
d) mantle
What layer is composed of Mg, O, S, Fe, and Si?
a) lithosphere
b) mantle
c) outer core
d) inner core
Which layer is liquid iron and nickel?
a) lithosphere
b) mantle
c) outer core
d) inner core
In convection currents...
a) hot magma rises while cooler magma sinks.
b) hot magma sinks while cooler magma rises.
c) the magma remains motionless.
d) all of the magma rises.
Our tectonic plates move due to...
a) Earth's magnetic field.
b) Earth's gravity.
c) the rise and fall of the ocean's tides.
d) the motion of the convection currents.
What is Earth's thinnest layer?
a) lithosphere
b) mantle
c) outer core
d) inner core
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