Nature creates its own density column in marine systems, which is extremely important for the triggering of the spring bloom of phytoplankton. Phytoplankton are an important food source for all organisms- from microscopic zooplankton to large marine mammals such as walrus and whales. The different salinities (and therefore, different densities) of water help to stabilize the water column (by limiting
Polar Bears International is a nonprofit organization dedicated to the worldwide conservation of the polar bear and its habitat through research and education. They provide scientific resources and information on polar bears and their habitat to all interested parties. There is a tools for teachers and students section complete with lesson plans, a board game, maps, and related links.
Online version of the Eagle Times news article describing Frank Kelley's PolarTREC expedition in Barrow, Alaska. Frank Kelley, PI Anne Jensen, and the team are conducting archaeological studies at the Nuvuk site outside Barrow, Alaska.
Article from the Palm Beach Post describing work being completed by Anne Jensen and the archaeology team at the Nuvuk Archaeology site outside Barrow, Alaska.
The Surface Archaeology Activity will allow you to develop some of the knowledge and skills that archaeologists use to do their work while also getting a chore done at home. The steps are really easy, and then you can decide to maybe tackle another room in the house.