There aren’t seven continents ... (3.7 or 4.3 miles) of oceanic crust; it certainly contains a variety of rock formations; and despite being underwater, it is elevated above the ocean floor.

Here you will find videos and activities about the seven continents. Try them out, and test your knowledge with a short quiz before exploring the rest of the collection. Oh hello! I’m just ...

"Our new picture of Mars," Pollack said yesterday, "is much like the Earth without oceans." The dark areas ... with a thick layer of dust. Mars has continents, Pollack continued, it must have ...