Frequency and Pitch

An online crossword puzzle with 8 words. Play it free at AgileCrosswords.com.

Clues

This word means how frequently a sound wave vibrates
These creatures have a hearing range of 20 - 20,000 Hz
These creatures have a voice range of 452 - 1080 Hz
These creatures produce ultrasonic sound waves of up to 120,000 Hz, which humans cannot hear
These creatures cannot communicate any lower than 7000 Hz, which humans can hear easily
This unit is used to measure how many times a sound wave vibrates
This instrument produces very high pitches and frequencies
These creatures cannot hear anything below 60 Hz