This video of the seafloor in Barrow Canyon, off the coast of Alaska is to accompany the presentation, 'The Arctic Ocean Ecosystem: Status and Trends in the Pacific Arctic' by Jacqueline Grebmeier, given during the 2012 Arctic Ocean Ecosystem Workshop.
In an explosive clip from the BBC's landmark series, scientists drill into a frozen lake to ignite methane gas that is trapped in bubbles beneath the surface. Do greenhouse gases pose a signficant threat to our planet? Dr Iain Stewart assesses the dangers.
Compare what students in a tropical climate do to prepare for recess with students who live in the interior of Alaska. Learn several consequences caused by sub zero temperatures. Create awareness that people are able to prepare for a cold environment by adding layers of clothes.
Objective
Compare what students in a tropical climate do to prepare