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