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
Students use Phytopia: Exploration of the Marine Ecosystem, a computer-based tool, to investigate various phytoplankton species and topics relating to phytoplankton biology.
Grade Level: 6-8,
9-12
This mini lesson helps students visualize how the Hydrosphere and Cryosphere interact to produce changes in land and sea ice.
Grade Level: 6-8,
9-12
Students will use the NASA Earth Observations analysis tool to explore changing albedo in the Arctic compared with other areas of Earth.
Grade Level: 6-8,
9-12
Check out the Arctic and Earth SIGNs video to explore how climate models are used in climate change research.