The advance-and-retreat cycle of snow cover drastically changes the whiteness and brightness of Earth. Using two maps created using NASA satellite data for 2017, students review the seasonal differences of snow and ice extent and answer questions on their observations.
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Students will analyze a line graph that shows how the surface temperature and air temperature values change over the course of 24 hours.
Students will describe the changes in a newly-formed volcanic island over the first three years of its life.
Students analyze the stability and change of sea level after watching a visualization of sea level height around the world.
Students analyze a graph that illustrates the change in global surface temperature relative to 1951-1980 average temperatures.
Carbon dioxide concentration in the atmosphere is affected by many processes including fires, deforestation, and plant respiration. Students will evaluate a Landsat image to determine the rate of carbon dioxide sequestration in a particular area.
For over 20 years, satellite instruments have measured the sea surface height of our ever-changing oceans. This video of images shows the complicated patterns of rising and falling ocean levels across the globe from 1993 to 2015.