Brief paragraph describes the marine device that equips scientists to conduct explorations.

Chronicles historic studies of the ocean and the equipment that was used in those expeditions.

Explains the location and activities of ocean floor hot water vents.

Defines the iceberg and ice floe carrying ocean current that starts near northeastern Canada and runs south through Davis Strait.

Learn about this chasm under the Pacific Ocean which is the world's deepest seafloor depression.

Reference entry provides a definition of the term and its usage.

Explains the mechanics and effects of these oceanic movements, which are caused by the gravitational pull of the sun and moon.

Describes the extinct anthropods of the Paleozoic era. Details their exoskeletons and eating habits.