ASSURE: A Lesson in Oceanography

Julia Howe, Benjamin Ludka, Lizbeth Lutz-Tah, Jim Nuyen, and Eugene

Pajakowski

CMP/555—Designing and Producing Educational Technology

University of Phoenix OnlineFaculty: Jeffery Hart

May 16, 2005

Instructions for Teachers

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The U.S. nuclear submarine San Francisco crashed into an uncharted underwater mountain in the South Pacific last month, killing one submariner and injuring dozens of others.

National Geographic News17-Feb-05

http://news.nationalgeographic.com/news/2005/02/0217_050217_seamap.html

Seafloor Still About 90 Percent Unknown, Experts Say

What we know

What we don’t know

http://www.ngdc.noaa.gov/mgg/bathymetry/predicted/explore.HTML

Using the oceans’ surface to predict the floor topography

Map of the oceans’ floor, color coded for age.

http://www.ngdc.noaa.gov/mgg/fliers/96mgg04.html

RED = youngest

DARK BLUE = oldest

Mapping the ocean floor

http://terraweb.wr.usgs.gov/TRS/kids/CoolStuffToSee.html

Animation of flyby through the Marianas trench

http://svs.gsfc.nasa.gov/vis/a000000/a000000/a000078/a000078.mpg (full video)

More visualizations and images at: http://www.ngdc.noaa.gov/mgg/image/images.html

NASA/Goddard Space Flight Center Scientific Visualization Studio

Click in the image to play the video

Terminology of the ocean floor

Current map of the sea floor around the islands of Hawaii

Web sites on oceanography http://www.onr.navy.mil/focus/ocean/regions/default.htm http://seawifs.gsfc.nasa.gov/OCEAN_PLANET/HTML/

oceanography_flyby.html http://www.mth.uea.ac.uk/ocean/vl/ http://sio.ucsd.edu/ http://www.tos.org/resources/education.html http://www.iobis.org/Welcome.htm http://www.geocities.com/thesciencefiles/marianas/

trench.html

Size and Depth of Earth’s Oceans

Ocean Area (square miles) Average Depth (ft) Deepest depth (ft)

Pacific Ocean 64,186,000 15,215Mariana Trench,

36,200 ft deep

Atlantic Ocean 33,420,000 12,881Puerto Rico Trench,

28,231 ft deep

Indian Ocean 28,350,000 13,002Java Trench,

25,344 ft deep

Southern Ocean 7,848,300 13,100 - 16,400The southern end of the South

Sandwich Trench, 23,736 ft deep

Arctic Ocean 5,106,000 3,953Eurasia Basin,

17,881 ft deep

http://www.enchantedlearning.com/subjects/ocean/