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: 3-5,
6-8,
9-12
What is sea-level rise and how does it affect us? This "Teachable Moment" looks at the science behind sea-level rise and offers lessons and tools for teaching students about this important climate topic.
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.