Educational Resources - Search Tool
Grade Level: 6-8,
9-12
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.
Grade Level: 6-8,
9-12
The ocean's surface is not level, and sea levels change in response to changes in chemistry and temperature. Sophisticated satellite measurements are required for scientists to document current sea level rise.
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.