what type of crust is denser?
Continental
Oceanic
why is oceanic crust denser?
because it is made of basalt and continental crust is made of granite. basalt is denser than granite
because the oceanic land contains water
are divergent boundaries a way that plate tectonics move by crashing into each other?
what happens in a transform fault?
plates slip past one another making huge earthquakes
plates crash into each other.
what are the features in a convergent plate boundary?
trenches
mountains
volcanoes
island formation
cracks
seaweed
coral reefs
three types of CONVERGENT plate boundaries are:
ocean to ocean
ocean to mantle
continent to mid ocean ridge
ocean to continent
continent to continent
what do volcanoes form when the subducted oceanic crust melts and rises?
island arc
tectonic plate
which of these is the largest tectonic plate
nazca plate
juan de fuca plate
pacific plate
