
What part of this wave is labeled # 1?
Amplitude
What type of wave is shown above?
longitudinal wave
What type of wave is a sound wave?
A longitudinal Wave
John turns the volume up in his car radio. Which would increase as well as the volume of sound.
A. Frequency
B. Wavelength
C. Amplitude
D. All the above
C. Amplitude
A reflected sound wave is known as a ______.
echo

What part of this wave is labeled #4?
Trough
What part of this wave is labeled B?
Rarefaction
Which is true about how sound waves travel?
A) A sound wave must have a medium to travel
B) A sound wave travels through empty space
C) A sound wave can travel through empty space and a medium
D) A sound wave can travel through empty space depending on the temperature
Answer A
Sarah hears a sound that is slowly gets higher and higher in pitch. What would not change in this sound wave?
A. Wavelength
B. Frequency
C. Amplitude
D. All of the above would change
C. Amplitude

What is happening to the wave that is labeled A and B?
A- Reflected
B- Absorbed
How do the particles travel differently in a transverse wave compared to a longitudinal wave.
Transverse- particles travel perpendicular (up and down) to the direct the wave travels.
Longitudinal- back and forth along the direction the wave travels.
What unit of measurement is used to measurement the loudness of sound.
Decibels (dB)
How does density affect the speed of a sound wave.
As density increases (gas ---> liquid ----->solid) so does the speed of a sound wave.
As the area increases outward from the horn of the trumpet. What happens to the intensity of a sound wave?
The intensity decreases

According to the law of reflection, what would angle B equal to?
27 degrees
What happens to the wavelength of a transverse wave as the frequency increases?
The wavelength decreases
Explain the relationship between wavelength, pitch, and frequency.
If the wavelength increases, the frequency decreases, and the pitch gets lower
If the wavelength decreases, the frequency increase, and the pitch gets higher

Explain the types of interference shown in A and B.
A- Constructive Interference
B- Destructive Interference

How would the sound of the police siren sound different at point A compared to point B?
Point A would have a lower pitch and point B would have a higher pitch.
This type of wave has a frequency that is higher than what a human can hear.
Ultrasound
What is a wave?
A wave is the movement of energy from one point to another
The collection of reflected sounds from the surfaces in a closed space is known as ________.
reverberation

How would the speed of a sound wave, traveling through air, be affected in the environments shown in the picture above.
The speed of sound would increase as the temperature decreases in each environment.
In which medium (A, B, or C) would sound travel fastest through and why?
Medium A because it is the most dense medium (particles are closest together so there are more collisions when the wave is vibrating).
What does some animals use, such as a dolphin, to locate an object by means of reflected sounds?
echolocation