Tidal range Tidal range Tidal range is the height difference between high tide and low tide. Tides are the rise and fall of sea levels caused by gravitational forces exerted by the Moon and Sun and the rotation of Earth. Tidal range is not constant but changes depending on the locations of the Moon and Sun. The most extreme tidal range occurs during spring tides, when the gravitational forces of both the Moon and Sun are aligned (syzygy), reinforcing each other in the same direction (new moon) or in opposite directions (full moon). During neap tides, when the Moon and Sun's gravitational
What Are Words went number one in Sweden on July 1, 2011 and remained for 8 straight weeks. It was awarded a 2X platinum certification in Sweden on September 20, 2011. What Are Words "What Are Words" is a hit song written by Rodney Jerkins, Andre Lindal and Lauren Christy, and performed by American singer Chris Medina. It was released on February 25, 2011, the day after his surprising elimination on the reality TV show American Idol. The song is a tribute to his fiancée who suffered a brain injury as the result of a car wreck and is about promises, commitment and