Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
45 Cards in this Set
- Front
- Back
|
mechanical waves move through what
|
medium
|
|
|
mechanical waves do not move the what
|
medium
|
|
|
all waves what
|
transfer energy
|
|
|
all waves need a source of what to produce it
|
energy
|
|
|
a rope is an example of a what wave
|
transverse
|
|
|
a transverse is a what wave
|
mechanical
|
|
|
sound/slinky is an example of a what wave
|
longitudal
|
|
|
longitudal is a what wave
|
mechanical
|
|
|
water is an example of a what wave
|
surface
|
|
|
surface wave is a what wave
|
mechanical
|
|
|
what wave moves in a right angle to the direction of the wave
|
transverse wave
|
|
|
what wave is parallel and moves back and forth
|
longitudal
|
|
|
what rises on the falling crest
|
surfer
|
|
|
frequency times wavelength
|
wave velocity
|
|
|
compresssion or rarefraction is more dense
|
compression
|
|
|
compression or rarefraction is more less dense
|
rarefraction
|
|
|
what is it called when a sound comes back
|
echo
|
|
|
below 20hz
|
infrasound
|
|
|
above 20,00hz
|
ultrasound
|
|
|
waves per seccond
|
hertz (hz)
|
|
|
what part of the ears converts sound to the nerve
|
inner ear
|
|
|
what part of the ear amplifies the sound
|
middle ear
|
|
|
what part of the ear catches the sound
|
outer ear
|
|
|
high pitch freq. toward u
|
doppler effect
|
|
|
what does the resonance of of wooden sound board do
|
amplifies
|
|
|
fast to slow is what
|
speed of sound
|
|
|
bigger wave combie
|
constructive interference
|
|
|
smaller wave/cancel out
|
destructive interference
|
|
|
goes in at an angle and changes speed
|
refraction
|
|
|
bounces off
|
reflection
|
|
|
strength/how tall energy is
|
amplitude
|
|
|
why do surfers like waves with high amplitudes
|
go faster and futher
|
|
|
what is the velocity of a wave with the frequency of 760 hz and a wavelength of 0.45 m
|
3.42
|
|
|
will loud sounds from traffic near a school break glass objects inside the school
|
no because sound cant get through building
|
|
|
why does refraction occur
|
one side of a wave moves more slower than the other side
|
|
|
what can act like medums
|
solids, liquids, and gases
|
|
|
highest point of a transverse wave
|
crest
|
|
|
ability of 2 or more waves to combine and form a new wave
|
interference
|
|
|
bending of waves around a barrier
|
diffraction
|
|
|
ability of an object to vibrate by absorbing energy at its natural frequency
|
resonance
|
|
|
mesuare of a certain amount of wavelengths past in a fixed point each second
|
frequency
|
|
|
measure of energy in a wave
|
amplitude
|
|
|
the angle of incidence is = to the angle of reflection
|
law of reflection
|
|
|
material through a wave transfers energy
|
medium
|
|
|
when a wave bounces off an object
|
reflection
|
