Grade Level: 6-8
Test your knowledge of soil moisture and its effect on global populations. Soil moisture is the amount of water contained in the soil.
Test your knowledge of soil moisture and its effect on global populations. Soil moisture is the amount of water contained in the soil.
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.
Global Phytoplankton Distribution Story Map
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.