Here are some fun games to see how well you know your OCEANS and CONTINENTS!
http://mrnussbaum.com/continents-and-oceans/
https://online.seterra.com/en/vgp/3188
http://www.sheppardsoftware.com/world_G1_drag_drop.html
http://www.sheppardsoftware.com/world_G0_Click.html