Science Test on Sound
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1
maximum displacement of a wave
amplitude
2
highest point of a wave
crest
3
Passpoint over time
frequency
4
strength of a sound wave
intensity
5
point between 2 notes
interval
6
perpendicular line from which reflection is measured
normal
7
lowest point of a wave
trough
8
random sound with no pattern
noise
9
bending of path of wave ad result or change speed
refraction
10
wave that has medium that oscillates right angle
transverse
11
series of organized sound waves arrange with pitches
music
12
heard after being reflected off an object
echo
13
effect of intensity a human ear percieves
loudness
14
technique with reflection of sound
echo ranging
15
result of 2 notes interfere harmoniously
cononance
16
driving frequency on an object that equals natural frequencies
resonance
17
directly proportional to wave speed
wave length
18
substance energy goes through
medium
19
musical instrument sound quality
timbre
20
relationship between sound intensity and density
inversely square
21
dominant sound of a music note
fundamental
22
reformation/cancellation
inference
23
low frequency heard
infersonic
24
frequency relationships between fundamental and overtones
harmonic series
25
why can't echo be heard?
close and time
26
waves passes between 2 medias
bends toward medium, slower speed
27
relationship of angles
law of reflection
28
1,2
most constant frequencies pairs
29
movies, shows rock engines
sounds can't travel through vacuum
30
true
acoustics is study of sound
31
faster speed of sound
supersonic
32
directly proportional frequency
speed of wave
33
true
a periodic back and forth motion is wave
34
change of frequency caused by object vibrates
natural frequency
35
vibrations traveling through medium as longitudinal pressure waves
sound
36
portion of wave speed particles are spread put
refraction
37
spreading out of wave after narrow opening
defraction
38
difference of note other notes frequency
octave
39
absorption
process of disputing of sound wave of matter
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