NOS Education

Building ocean, coastal, and climate literacy for students and educators.

side-scan sonar of ship on sea floor
What is sonar?

Sonar, short for Sound Navigation and Ranging, is helpful for exploring and mapping the ocean because sound waves travel farther in the water than do radar and light waves.

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a lionfish
Grades 6-12
Lionfish Invasion

Lionfish are popular saltwater aquarium fish, Nowadays, they also live in western Atlantic waters off the East Coast of the U.S.