How do explorers chart the seafloor under miles of ocean? With bathymetric or “wet” maps! We bounce sonar off the seabed to build a detailed picture of an area’s shape. That data then helps us identify and map all kinds of structures, from trenches to undersea mountains. Our website features a lesson plan for teachers to help students understand wet maps and their uses. If you’re not a teacher (but still feeling crafty) why not give it a try yourself? You can find the materials and instructions

Despite its importance, the majority of our ocean is largely unknown. Through exploration, we’re learning more about the ocean's biological, chemical, physical, geological, and archaeological aspects every day. But before we can truly explore, we must map. Learn more about seafloor mapping through our curated education theme: https://oceanexplorer.noaa.gov/edu/themes/seafloor-mapping/welcome.html | NOAA Ocean Exploration

NOAA Ocean Exploration has been leading or supporting expeditions since 2001 that have resulted in the discovery of everything from underwater volcanoes and landslides to cold seeps and steppe features. These and other geological findings help to shift our understanding of the basic processes that govern and shape our planet. Learn more: https://oceanexplorer.noaa.gov/20years/geology.html [About the video: In 2014, while exploring in the Gulf of America, we discovered flower-like extrusions of a

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