This resource is appropriate for high school, but has been customized for AICE/Cambridge AS/A Marine Science. 5.1.1 Identify the world’s five oceans as the Arctic, Atlantic, Pacific, Indian and Southern, and understand that these oceans are inter-connected and encircle the Earth as a World Ocean 5.1.3 Explain the importance of oceans and their interaction with the atmosphere: as carbon sinks, as sources of oxygen, in temperature buffering, and in global climate control.