The+Earth+Science+Classroom

[|NASA Educational Materials] This site has lessons, video clips, posters, and more.

[|Apollo 13: Houston We've Got a Problem] This is a documentary video of the Apollo 13 mission in 1972.

[|NASA Sounds]

[|NASA Mars Exploration Videos]

[|NASA: Ocean Surface Topography From Space] NASA offers a variety of visual materials on Oceanography and El Niño in both hardcopy form, which can be ordered online, or PDF files, which can be downloaded.

[|Hubble Space Telescope Photo Gallery]