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In this archaeology activity, learners consider ways in which excavating an underwater site is different from excavating a terrestrial site.

In this archaeology activity, learners make observations and conduct an experiment to demonstrate the effect saltwater has on artifacts.

Historically, sea floor mapping (bathymetry) was done by soundings.

In this outdoor activity, learners go "can fishing" and discover the kinds of aquatic organisms that live in and on submerged cans.