|The Mississippi River in 2010 (top) and 2011, with effects of flooding|
-Picture scenes can be used to target gaps in students' geographic understanding and the categories of continents, oceans, and geographic features.
-Each sequence is accompanied by an informational paragraph that describes the scene and its sequential and cause-effect relationships involved; these would be good to map with a graphic organizer.
-The varying ranges of time involved in each sequence are contexts to develop time-lining skills and general temporal understanding, with perhaps relation to other world events.
You can find some other tech-based activities to target language skills in relation to the values of Earth Day here and here.