At the CREEL permafrost tunnel outside Fairbanks, AK. Our guide, Art, explains a potential issue with the carbon balance in soils as the permafrost thaws as we traveled underground to see it the changes.
From NASA, in this animation, the Arctic sea ice and seasonal land cover change progress through time, from September 1, 2009 when sea ice in the Arctic was near its minimum extent, through March 30, 2010. The animation plays at a rate of six frames per day or ten days per second.
Ever wonder why ice cubes float? I can tell you why ice floats in two words. Archimedes' Principle. Of course, Archimedes' Principle takes a bit more explaining. Let's make sense of it with science! This has been presented by Bayer Corporation's national education program, Making Science Make Sense.
This YouTube video lecture discusses the seasonal stratification and destratification of the world ocean, in other words, the formation of the seasonal thermocline!
Students will engage in a hands-on activity to help them consider what students in a tropical climate do to prepare for recess compared with students who live in the interior of Alaska.
Objectives
Students will:
* Compare what students in a tropical climate do to prepare for recess with students who live in the interior of Alaska.
* Learn
Students are asked to predict what will happen to styrofoam objects lowered down to the bottom of the Bering Sea. Students make the appropriate calculations related to the actual experiment which took place on Maggie Prevenas' PolarTREC expedition.
Objective
Students will make hypotheses and calculations regarding deep sea experiments that took place in the Bering Sea on