Grade Level: 6-8
Students observe how air quality changes over time, for a selected location, using data from the United States Environmental Protection Agency (EPA).
Students observe how air quality changes over time, for a selected location, using data from the United States Environmental Protection Agency (EPA).
Arctic sea ice is the cap of frozen seawater blanketing most of the Arctic Ocean and neighboring seas in wintertime. It follows seasonal patterns of thickening and melting. Students view how the quantity has changed from 1979 through 2018.
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.