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Tides. Tide – the rise and fall of the ocean : the cyclic rise and fall of the ocean produced by the gravitational attraction of the Moon, Sun, and Earth occurring about every twelve hours. http:// www.youtube.com/watch?v=gftT3wHJGtg. Moon Phases.
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Tides • Tide – the rise and fall of the ocean: the cyclic rise and fall of the ocean produced by the gravitational attraction of the Moon, Sun, and Earth occurring about every twelve hours
Moon Phases • Phases of the moon - the appearance of the illuminated (sunlit) portion of the Moon as seen by someone on Earth • The lunar phases change cyclically as the Moon orbits the Earth, according to the changing relative positions of the Earth, Moon, and Sun
Seasons http://www.youtube.com/watch?v=DuiQvPLWziQ&feature=rellist&playnext=1&list=PLD10EB494474AB9F9
Stars • Our Sun • The core • Hottest layer • Nuclear fusion happens here • Photosphere • We see • Chromosphere & Corona • Outside photosphere but we can’t see them
Lunar Eclipse • = the moon is eclipsed (blocked)
http://www.youtube.com/watch?v=wuhNZejHeBg&list=LP0ZHo54hMexE&index=1&feature=plcphttp://www.youtube.com/watch?v=wuhNZejHeBg&list=LP0ZHo54hMexE&index=1&feature=plcp • http://www.youtube.com/watch?v=2dk--lPAi04
Solar Eclipse • = the sun is eclipsed (blocked)
http://www.youtube.com/watch?v=UodZLWi_oHo • http://www.youtube.com/watch?v=74jnoFLvuQ4&feature=relmfu