(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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Diaphragm
Parallel
Longitudinal
High pitch
Units of frequency
Amplify vibrations in the ear
Frequency
Vibrations
20 Hz - 20000 Hz
Infrasound
Auditory range
Sonar uses _________ waves that are reflected under water
