Mantle convection is the slow creeping motion of Earth's solid silicate mantle
caused by convection currents carrying heat from the interior of the Earth to the
surface. ... Accretion occurs as ...
Convection currents move a gas or a fluid from one place to another and are
created when there ... This happens because warm air is less dense than colder
This lesson will define convection, explain how it works, and describe how
convection creates ... Unlike the other two, convection can only happen in fluids.
Convection Currents: The mantle is made of much denser, thicker material,
because of this the plates "float" on it like oil floats on water. Many geologists
What happens to convection currents when a fluid becomes hotter? As the fluid
warms:The currents speed upThen as the temperatures of the fluid equalise (the
In the atmosphere, hot air rises on convection currents, circulating and ... Heat
transfer occurs through three means: conduction, convection, and radiation.
Convection is the circular motion that happens when warmer air or liquid ...
Convection currents within the earth move layers of magma, and convection in
Convection currents occur within: the geosphere – plate tectonics. the
atmosphere - wind. the hydrosphere - ocean currents ...
Convection occurs when heat is transferred through a gas or liquid by the ... of
the convection currents that transfer heat from the interior of the Earth up to the ...
This is what happens in the mantle. Based on observations of the rates at which
the surface of Earth moves, geologists estimate the mantle convectively flows at ...