The bouncing back of a wave when it hits a surface it can't go through
What is Reflection
100
A wave in which the particles of the medium vibrate parallel to the direction of the wave
What is Compressional or Longitudinal Wave?
100
The measurement from crest to crest on a wave
What is wavelength?
100
Sound waves are not able to travel through _______
What is space or a vacuum?
100
A reflected sound wave
What is an echo?
200
A change in the wave's direction when it goes around an obstacle or barrier
What is diffraction?
200
A wave in which the particles of the medium move perpendicular to the direction of the wave?
What is Transversal Wave?
200
The maximum distance that the particles of a wave's medium vibrates from the rest position, and determines the loudness of a sound wave
What is Amplitude?
200
Sound travels much _________ than light.
What is slower?
200
An example of echolocation is _________
What is 1) ultrasounds for medical uses
2) sonar to locate underwater objects
3) animals use to hunt food
300
The bending of a wave as it enters a different substance (or medium) and changes speed.
What is Refraction?
300
Waves that require a medium to travel
What is a Mechanical Wave?
300
The number of waves produced in a given amount of time, and is related to a sound wave's pitch?
What is Frequency?
300
The explosive sound heard when a shock wave from an object traveling faster than the speed of sound
What is Sonic Boom?
400
The combination of two or more waves that results in a single wave.
What is Interference?
400
Waves that do NOT require a medium to travel
What is an electromagnetic wave?
400
As the frequency of a wave decreases, the wave's ___________ increases.
What is wavelength?
400
Sound is a type of ___________ energy.
What is mechanical?
400
An example of this is when an orchestra uses several instruments to play the same notes
What is interference?
500
A phenomenon that occurs when two objects naturally vibrate at the same frequency; the sound produced when one object causes the other object to vibrate.
What is Resonance?
500
A compressional wave that is caused by vibrations of air particles and must travel through a medium
What is a Sound Wave?
500
The extent to which a wave can be heard, based on the amplitude of the wave.
What is loudness?
500
The state and temperature of the medium through which sound waves travel affects the _______ of sound