Grade Level: 6-8
This NASA visualization shows sea surface salinity observations (September 2011-September 2014). Students review the video and answer questions.
This NASA visualization shows sea surface salinity observations (September 2011-September 2014). Students review the video and answer questions.
Check out the Arctic and Earth SIGNs video to explore how climate models are used in climate change research.
Arctic sea ice is the cap of frozen seawater blanketing most of the Arctic Ocean and neighboring seas in wintertime. It follows seasonal patterns of thickening and melting. Students view how the quantity has changed from 1979 through 2018.