5.40: Ultrasound Difficulty Level: At Grade Created by: CK-12 Estimated2 minsto complete % Progress Practice Ultrasound Practice Progress Estimated2 minsto complete % Practice Now Share Add to Library Turn In Read Practice Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Vocabulary Language: English ▼ English sonar Sound navigation and ranging; use of reflected ultrasound waves to locate objects under water. ultrasound Sound with a frequency above the range of human hearing (greater than 20,000 hertz). Image Attributions Show Hide Details Description What ultrasound and echolocation are, and how sonar and ultrasonography are used. Learning Objectives None Difficulty Level: At Grade Authors: Jean Brainard, Ph.D. Tags: echolocation SCI.PHY.327.4.L.1 SCI.PSC.232.74.L.1 (3 more) sonar ultrasonography ultrasound Subjects: science Physical Science Concept Nodes: SCI.PSC.232.74 (Ultrasound) Grades: 7 , 8 Date Created: Nov 01, 2012 Last Modified: Sep 13, 2016 Vocabulary None Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the Modality. Click Customize to make your own copy.