The layer of solid rock that makes
up the Earth’s outer layer
including the continents and the
A dark, fine-grained extrusive
volcanic rock that makes up the
A light colored, coarse -grained
volcanic rock that makes up a
large part of the continental
The layer of rock found below the
crust that is separated into the
lithosphere, asthenosphere, and
The uppermost part of the mantle
composed of brittle rock and the
crust of the Earth.
The less rigid part of the mantle
directly underneath the
The lowest part of the mantle that
is made up of semi-liquid rocks.
Outer layer of the core made up of
dense, liquid metal.
Center layer of the core made up
of solid metal.
The crust that forms the
continents which is made up of
many different types of rocks but
The crust that lies beneath the
oceans which is made up of basalt.
Heat from the core is transferred by convection into
The heat causes convection currents in the mantle and
Convection currents have been moving inside Earth
for more than 4 billion years.
Convection currents in the mantle cause the tectonic
plates to move.
Convection currents in the core cause the Earth’s
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