Analyze the first of three graphs of historical ocean data in this series; this mini lesson features salinity values using the interactive tool, FlatMap, created by NASA's Aquarius Mission.
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The students will review the NASA Space Place video, "What are Tectonic Plates?", and answer questions about tectonic plates.
(Different graphs of the same data do not convey the same information.)
Watch NASA videos about aerosols and volcanic ash and answer questions.