Earth is a system of systems.
Educational Resources - Search Tool
This activity invites students to model and observe the effect of melting ice sheets (from land) on sea level and the difference between the effect of melting sea-ice to that of melting land ice on sea level.
Examine the images to see the projected differences in land use between 1900 and 2100.
What is El Nino or ENSO?
This lesson is taken from NASA's Phytopia: Discovery of the Marine Ecosystem written in partnership with Bigelow Laboratory for Ocean Science with funding from the National Science Foundation.
Students use Phytopia: Exploration of the Marine Ecosystem, a computer-based tool, to investigate various phytoplankton species and topics relating to phytoplankton biology.
In this mini lesson, students use in-water profiles of historical ocean data to analyze how sea surface salinity varies with depth.
Review this page to learn about the background of volcanoes and their eruptions.
Phytoplankton distribution background information.
Background information on soil moisture.