NASA Sci Files segment explaining the phases of the moon and how they are created. NASA Sci Files; Gravity; Craters; Meteors; Astroids; Water; Earth; Moon; Moon Phases; Illuminations; Revolve; New Moon; Full Moon; First Quarter; Third Quarter; Sun; Lunar Phases; Axis; Apollo; Tides; Beach; Gravitational Pull; Oceans; Century; Grade Level 3-5 0:03:35 http://nasa.ibiblio.org/details.php?videoid=6416&start=60&subject=Science NASA LaRC Office of Education 5/14/2003 sound color en Public Domain movies bonnie@archive.org 2009-03-03 17:54:08 NasaSciFiles-MoonPhases bonnie@archive.org 2009-03-04 01:59:09 2009-03-04 02:15:55 nasa corevideo