This NASA visualization shows sea surface salinity observations (September 2011-September 2014). Students review the video and answer questions.

Students observe monthly images of changing vegetation patterns, looking for seasonal changes occurring throughout 2017. These data can be used by students to develop their own models of change.

Explore and connect to the GLOBE Rivers and Lakes protocol bundle. 

Explore and connect to hydrosphere protocols in GLOBE. Each protocol has related Earth System Data Explorer datasets identified as well.

GLOBE protocols and learning activities that complement exploration of the Flow of Energy and Matter are outlined.