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: 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.