Parts of a Wave
Sound Facts
Wave Applications
Wave Interactions
Reading Graphs
100
Which letters represent the crest of the wave?
B, C
100
A long wavelength means a _______ pitch sound.
low
100
when a sound matches the natural frequency of an object (like a singing bowl, or an opera singer breaking a glass)
resonance
100
What type of wave CANNOT travel in a vacuum?
sound
100
How many students passed history?
80
200
Which numbers represent compressions?
2, 4
200
A long wavelength means a ___________ frequency.
low
200
when an animal sends an extremely high pitched sound wave and it bounces off of its surroundings
echolocation
200
What medium (state of matter) will sound waves move through the fastest?
solid
200
Which two subjects did the least students pass?
Math, english
300
Which numbers represent rarefactions?
1, 3
300
When wavelength decreases, frequency __________.
Increases
300
when humans send sound waves to "see" underwater
SONAR
300
The less dense an object is, the ________ sound moves through (faster or slower)
slower. it is easier for sound to move through solid than liquid or gas
300
What can you tell from this graph?
a. which is the favorite subject
b. how many girls took english
c. how old the students were
d. which subject had the highest pass rate
d. which subject had the highest pass rate
400
Which number represents amplitude?
1
400
A tall amplitude means ___________ energy.
more / a lot
400
how noise cancelling headphones work, two opposite sound waves cancel each other out to produce no sound
destructive interference
400
Think of instruments. What size object will make a higher pitched sound? (large or small)
small
400
In which quarter did York have the greatest revenue? (money)
2020 Q4
500
Which number represents wavelength?
2
500
___________ relates to volume, __________ relates to pitch.
Pick two: amplitude, compression, reflection, wavelength
amplitude, wavelength
500
how amplifiers work, two matching sound waves overlap and make each other louder
constructive interference
500
Think of instruments. What type of object will make a lower pitched sound? (long or short)
long
500
In which quarter did Lincoln have a higher revenue than Kent?
Q1