Earth's Layers Question Preview (ID: 56565)


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What is the innermost layer of Earth?
a) Inner core
b) Outer core
c) Mantle
d) Crust

The outer core of Earth is ________________.
a) Liquid and made of iron and nickel
b) Solid and made of iron and nickel
c) Plasma and made of helium and hydrogen
d) unknown

The inner core is ________________.
a) Solid because of high pressure but should be liquid because of extreme heat
b) Liquid because of high pressure
c) Solid because of high heat but should be liquid because of pressure
d) unknown

The layer we live on is _______.
a) core
b) continental crust
c) oceanic crust
d) mantle

The movement of the mantle causes everything except...
a) earthquakes
b) volcanic eruptions
c) hurricanes
d) formation of mountains

When an oceanic plate collides with a continental, the___________.
a) oceanic subducts under continental
b) oceanic slides above the continental
c) plates collide and both move up to form mountains
d) plates explode

The oceanic crust is__________.
a) more dense than continental
b) less dense than continental
c) equal in density to continental
d) the same as the mantle

Convection currents occur....
a) in the core.
b) in the crust.
c) in the mantle.
d) in the continental crust.

The thinnest layer of Earth is the _______.
a) Outer core
b) Mantle
c) Continental crust
d) Oceanic crust

In order from innermost to outermost:
a) Core, Crust, Mantle
b) Outer Core, Inner Core, Mantle, Crust
c) Inner Core, Outer Core, Mantle, Crust
d) Inner Core, Outer Core, Crust, Mantle

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