K12 Reader
They See with Their Ears
Sometimes bats get a bad rap, even though they are fascinating creatures! Teach your class about echolocation with a reading passage. After reading, class members respond to five questions based on the text.
TeachEngineering
Teach Engineering: Echolocation in Action!
In this activity, students will experience echolocation themselves. They actually try echolocation by wearing blindfolds while another student makes snapping noises in front of, behind, or to the side of them.
TED Talks
Ted: Ted Ed: How Whales Breathe, Communicate and Fart With Their Faces
Comparative anatomist Joy Reidenberg explains how majestic whales "fart with their face" (a process more formally known as echolocation) to send their unique sounds through the water. [6:24]
TeachEngineering
Teach Engineering: How Does an Ultrasonic Sensor Work?
Students learn how ultrasonic sensors work, reinforcing the connection between this sensor and how humans, bats, and dolphins estimate distance.
CK-12 Foundation
Ck 12: Plix: Seafloor: Sonar Boats
[Free Registration/Login Required] This site includes a brief example of how sound detector boats work. It also includes an assessment for students to show their knowledge of using sound waves to predict the depth of water.
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