Grade Level: 3-5
This activity is one of a series in the collection, The Potential Consequences of Climate Variability and Change activities.
This activity is one of a series in the collection, The Potential Consequences of Climate Variability and Change activities.
In this activity, you will use an inexpensive spectrophotometer* to test how light at different visible wavelengths (blue, green, red) is transmitted, or absorbed, through four different colored water samples.
These six graphs show Ocean Chlorophyll Concentrations from 1998 - 2018 in a variety of locations: East Bering Sea, Gulf of Alaska, California Coast, Southeastern US/Gulf of Mexico, Northeastern US and the Scotian Shelf, and the Hawaiian Islands.