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.
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Grade Level: 6-8,
9-12
Grade Level: 6-8,
9-12
Students analyze historic plant growth data (i.e., Peak Bloom dates) of Washington, D.C.’s famous cherry blossom trees, as well as atmospheric near surface temperatures as evidence for explaining the phenomena of earlier Peak Blooms in our nation’s capital.
Grade Level: 3-5,
6-8,
9-12
Students identify patterns and describe the relationship between chlorophyll concentration and incoming shortwave radiation.
Grade Level: 3-5,
6-8,
9-12
Students identify patterns in chlorophyll concentration data to formulate their explanations of phytoplankton distribution.
Grade Level: 3-5,
6-8,
9-12
Students will identify and describe the relationship between watersheds and phytoplankton distribution.