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