Plate Tectonics
Science

The movement pattern in a fluid caused by temperature differences within the fluid
Convection current
The movement pattern in a fluid caused by temperature differences within the fluid. Convection current. In simple terms, a convection current is when warmer fluid rises and cooler fluid sinks, creating a circular flow.

The supercontinent that broke up 200 million years ago into the continents we see today
Pangaea
The supercontinent that broke up 200 million years ago into the continents we see today. Pangaea. Pangaea was a massive landmass where all the Earth's continents were once joined together before drifting apart due to plate tectonics.