how do tectonic plates shape our world?

what is the hazardous tectonic plate?

Nepal earthquake 2015

how frequent to shield volcanos erupt?

often

how explosive is shield volcanos?

not very explosive

how dangerous are shield volcanos?

less dangerous

what type magma does shield volcanos have and what do they form?

runny lava that flows quickly & cools to form a gently slopy shape

how frequent do composite volcano’s erupt?

less often

how explosive are composite volcanos?

verry explosive

how dangerous are composite volcanos?

they can be very dangerous

what type magma does composite volcanos have and what do they form?

they have sticky runny lava that cools quickly creating steep sides

what are the four layers of the earth?

crust, mantle, outer core, inner core

what are techtonic plates?

broken pieces of the earth’s crust

what are the two types of tectonic plates?

oceanic and continetal

what moves the tectonic plates?

convection current

how do convection current occur?

magma in the mantle rises due to heat, it cools down becoming dense, it sinks back down