The Universe

What is a Planet movie:
http://solarsystem.nasa.gov/multimedia/videos/what_is_a_planet_360.mov

Planet Size Comparisons
http://www.sciencenetlinks.com/interactives/messenger/psc/PlanetSize.html

NASA Videos on Planets and the Solar System
http://solarsystem.nasa.gov/multimedia/videos.cfm?Page=1

The Moon Phases:
http://www.sumanasinc.com/webcontent/animations/content/moonphase.html
http://www.wonderville.ca/v1/activities/phases/phases.html
http://teacher.scholastic.com/activities/explorations/space/level1/interactive.htm
http://www.science-class.net/Astronomy/MoonPhases.htm

Rotation/Revolution-change of seasons
http://www.beaconlearningcenter.com/WebLessons/AsTheEarthTurns/default.htm
http://www.classzone.com/books/earth_science/terc/content/visualizations/es0408/es0408page01.cfm?chapter_no=visualization
http://www.bbc.co.uk/schools/scienceclips/ages/9_10/earth_sun_moon.shtml

Solar /lunar eclipse
http://video.nationalgeographic.com/video/player/news/space-technology-news/lunar-eclipse-apvin.html
http://www.teachersdomain.org/resource/ess05.sci.ess.eiu.eclipse/ (click on View)
http://www.engineeringinteract.org/resources/astroadventure/flash/concepts/moon.htm


Gravity
http://www.sciencenetlinks.com/interactives/gravity.html

Tides
http://www.pbs.org/wgbh/nova/venice/tides.html Click on What causes Tides?( 55k)
http://sunshine.chpc.utah.edu/labs/tides/tides_main.html