Sound I
The areas where particles bunch together.
What is compression.
A term that refers to how high or low sound frequencies appear to be
Pitch
How is sound intensity measured
decibels
energy in the form of vibrations that passes through matter
What is sound.
The quick back and forth movement
What is vibration
the number of waves that passes a point in a certain amount of time.
What is frequency.
The highest point on a sound wave.
What is crest.
ultrasonic above 20,000 hz
infrasonic below 20 hz
What can sound not travel through?
empty space
How do you calculate wave speed
wavelength x frequency
A child on a swing attains higher amplitudes by employing
a. interference c. reflections
b. resonance d. refractions
resonance
When waves closer together the _______ is _______
What is pitch and higher.
Sound is what type of wave
Longitudinal<------>
the distance between a point on a wave and another point on another wave
What is wavelegnth.
Sound waves can interfere how
both constructively and destructively
The lowest point on a sound wave
What is trough.
When waves are further apart, the _______ is ________
What is pitch and lower
The loudness of a sound depends on the sound waves _____________.
What is amplitude.
How I hear sound
An object vibrates and the waves compress as the sound travels to your ear drum
Three things that change the pitch of an object
what is material, size and shape
(hint: What causes beats?
interference