Convergent Boundary- When two tectonic plates collide against each other.
Divergent Boundary- When two plates move away from each other.
Transform Boundary- Two plates that slide past each other
Convection Currents- a current in a fluid that results from convection.
Oceanic Crust- Thin part of earth's crust that underlies the ocean basins.
Continental Crust- Thick part of Earth's crust that forms landmass.