Grade Level: 6-8,
9-12
Watch NASA videos about aerosols and volcanic ash.
Watch NASA videos about aerosols and volcanic ash.
Students interpret a double bar/column chart comparing the number of tropical cyclones in different locations.
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.