Passive margins have continental shelfs, slopes, and rises.

Winds affect ocean currents down to approximately 100 meters.

Autotrophic plankton produce their own food and are called phytoplankton.

Oceans have changed their shapes over time predominantly due to erosion.

The 'Marine Effect' is the ability of the oceans to moderate temperatures along coastlines and over islands. 

During a neap tide, the moon is in quadrature.

Oceanic Crust is made up primarily of basalt.

The Wentworth scale is used to classify sediment grain size.

Rouge waves may be the cause of the sinking of up to 100 large cargo ships per year.

Stromatolites are blue-green algae that secrete mucous to form mats that grow as bulbous mounds in shallow waters.