Mareas

Fuerzas de marea.1

http://www.youtube.com/watch#!v=3kFfjGNumqw&feature=related

Fuerza de marea. 2

http://www.youtube.com/watch#!v=l37ofe9haMU&feature=related

Mareas

http://www.youtube.com/watch#!v=Rn_ycVcyxlY&feature=related

Luna-Sol

http://oceanservice.noaa.gov/education/kits/tides/media/supp_tide06a.html

Lecture

http://www.youtube.com/watch?v=eyXIRg93P6A