Pitch and Vibration
How is pitch related to vibration?
Goal:
Goal:
Bats can make very high-pitched sounds. These sounds are too high for us to hear them, but they help the bats find their way around.
Click the audio player below to hear a recording of bat calls. These sounds are ultrasonic, which means the bats made them at frequencies that are too high for us to hear them. This special ultrasonic recording allows us to hear these sounds. When you're done listening, try the activity to learn more about pitch and vibration.
By Mnolf [GFDL, CC-BY-SA-3.0 or CC-BY-SA-2.0], via Wikimedia Commons]
Activity (optional)
Remember, a high frequency corresponds to a rapid vibration. Try this activity to find out how pitch and vibration are related.