#convection currents

[titustheandroid]

[biology-geology-beaches-india]

The Scientific Research Notes Of S. Sunkavally (year: 2002-2011).

1039.

[winterxblogger]

apparently the hot water is rising to the top 

[thequietgirlwhosang-blog]

Me: *pours a dash of milk into my coffee* Me: *watches the milk move around* Me: "convection currents....... Ahahahaha science." I'm a dork.

[a2geographyprocrastination]

1. Plate Movement - Convection currents

Convection currentsare explained quite nicely by this diagram, in my opinion.

[tiffcheongsy]

Hi Ms Cheong, I know that the plates move because of convection currents below, but why do the convection currents move in different directions in the first place? Thank you.

Source: http://dreamtigers.files.wordpress.com/2011/05/convection_currents_2final.jpg

When a liquid, solid, or gas gets heated, it expands. The expanded material, being less dense, rises, while colder, denser material sinks.