(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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When sound is _________ its amplitude is small
quiet
Sound intensity
loudness
The _______ of a wave tells you how long it takes for the wave to pass by
period
The “peak”of a wave
crest
What an object likes to vibrate at
natural frequency
Amplitude is measured from the _______ ___ ________ to the crest or the trough of the wave
line of equilibrium
Describes how sound seems to change pitch as it moves
doppler effect
Waves that are perpendicular to the direction they travel
transverse
low pressure part of a sound wave
rarefaction
The unit (label) for frequency
Hertz
HIgh pressure part of a wave
compression
________ interference results in louder sound.
constructive
Wavelength and amplitude are both measured in
meters
How fast a wave is traveling
wave speed
When the sound source moves toward you, it sounds like the frequency is
higher
Sound travels faster in ________ materials, like steel
dense
The three factors that affect the natural frequency of an object are material, shape and
size
How many waves
frequency
When you whisper quietly and then yell louder, you are changing the _________
amplitude
The lowest part of a wave
trough
The unit (label) for sound intensity or loudness
decibels
When 2 sound waves combine and you hear a series of loud and quiet sounds
beats
Since they travel paralles to the medium, ALL sound waves are ___________ waves
longitudinal
When an object vibrates at its natural frequency
resonance
interference between waves results in a sound that is quieter or no sound at all
destructive
λ
The symbol shown above is the symbol for
wavelength
A wave with _______ frequency will sound lower pitched
low