![Picture](/uploads/2/6/4/1/26416053/8345773.gif)
Convergent Boundaries: it is the boundary between tectonic plates that are colliding.
![Picture](/uploads/2/6/4/1/26416053/6615296.gif)
Divergent Boundaries: the boundary between tectonic plates that are moving away from each other.
![Picture](/uploads/2/6/4/1/26416053/2462432.jpg)
Transformed Boundaries: the boundary between tectonic plates that are moving away from each other.
![Picture](/uploads/2/6/4/1/26416053/7022277.gif)
Convection Currents: a current in a fluid that results from convection.
![Picture](/uploads/2/6/4/1/26416053/4016835.gif)
Oceanic Crust: the relatively thin part of the earth's crust that underlies the ocean basins. It is geologically young compared with the continental crust and consists of basaltic rock overlain by sediments
![Picture](/uploads/2/6/4/1/26416053/252601.gif)
Continental Crust: the relatively thick part of the earth's crust that forms the large landmasses. It is generally older and more complex than the oceanic crust.