SME
Grade 12 Science
The ocean: seafloor, currents and ocean–atmosphere interaction
The main lesson, then each kind of problem it solves.
The ocean: seafloor, currents and ocean–atmosphere interaction
Main lesson
Spring and neap tides
Use this for “Is the tide a spring or a neap tide at the first-quarter Moon, and how big is the range?”
Surface currents and the deep conveyor
Use this for “Why is the current on the west side of an ocean basin warm?” and “What drives the deep conveyor?”
Sinks or rises?
Use this for “Why does warm air rise at the equator?” and “Why does water sink near Greenland?”