(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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Compression
Application of echo
Wavelength
Total internal reflection
Refraction
longitudinal
Rarefaction
Refractive index
Equation of velocity
Time period and frequency relation
Mechanical
Diffraction
Critical angle
Time period
Non-mechanical
Transverse
Frequency range of hearing in humans
Crest
Unit of frequency
Amplitude
Snell's law
Equation of wavelength
Trough
Incident and reflected angle relation in reflection
