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PBS
Pbs Learning Media: Sound Waves Underwater: The Loch Ness Monster
This video segment, adapted from NOVA follows a team of enthusiasts and scientists who attempt to find a trace of the Loch Ness monster by scouring the lake with sonar. [5:24]
PBS
Pbs Learning Media: Collecting Data Below the Earth's Surface
This video segment adapted from Discovering Women demonstrates how scientists use sound waves to collect data about the structure of Earth's crust.