I have a younger sibling who needs help with convection cells. Can you help me?

Answer 1

http://www.exploratorium.edu/complexity/exhibit/convection.html
http://www.solarviews.com/eng/edu/convect.htm
http://en.wikipedia.org/wiki/Convection_cell
http://science.nasa.gov/newhome/headlines/ast28may98_1.htm
http://sohowww.nascom.nasa.gov/explore/lessons/convection.html
http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/heatra.html
http://www.carolina.com/earth/plates.asp