Tsunamis, giant waves caused by underwater earthquakes, speed across the ocean at...
Fri, 01/14/2011 - 12:16
About 100 million years ago, during the heyday of the dinosaurs, reefs were built...
Fri, 12/04/2009 - 14:25
Fish spears and fish weirs—fish traps placed in rivers—are traditional ways of...
Wave Size and Depth
Students investigate the relationship between the size of the wave and depth to...
Fri, 01/29/2010 - 09:52