In Earth’s mantle there are convection currents. The convection currents flow in a _________ shape. As the hot magma ________________, the colder magma ___________________. These convection currents are a continuous_______________. This means that convection currents will _____________ stop because they have a constant source of heat energy. Convection currents move the lithosphere and cause many events on the surface including_____________ and _____________.
Words:
rises
eventually
system
earthquakes
triangular
circular
tornadoes
volcanoes
never
sinks