WHY? The bat sends out sonar waves. The waves bounce off an object, and travels back to the bats. The bat's internal sense of hearing picks up the "sound" and the bat can sense the location of an object. ASSESSMENT: Can the student communicate what they observed?

Student is able to communicate that the bat sends out signals to find his prey and receives a "sound" picture back to locate either prey or an object. Student is able to communicate that the bats sends out signals to find food, prey or an object and get sounds back. Student is able to communicate that bats send signals out to find their food. Student is only able to communicate that bats make sounds.

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Last modified: Sun Aug 10 18:00:59 PDT 1997

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