Show:
Sound 1
Sound 2
Sound 3
Sound 4
100
Sound is a form of ______.
Energy
100
The medium in which sound travels the fastest.
solid
100
What is the distance between two compressions called?
wavelength
100

What vibrates to produce sound in a wind instrument?

Air

200

Sound travels in _______.

Compression waves

200
The medium in which sound travels the slowest.
gas
200
Is there sound in space? Why or why not?
No, because there is no medium (no molecules) for sound to travel through.
200

If the wavelength of a vibrating string is longer, the pitch is 

lower

300

What causes sound?

vibration

300
Why sound travels through a solid the fastest.
The molecules are closer together.
300
The number of waves in a given amount of time. For example, 200 waves per second.
Frequency
300
What 2 things could you do to a guitar string to make the pitch get higher?
You could tighten the string or make the string shorter.
400
Part of the wave where molecules are very close together.
compression
400
Why sound travels the slowest in a gas.
The molecules are farther apart.
400
How high or low a sound is.
Pitch
400
How loud or soft a sound is determined by the _________ of the wave.
amplitude
500
Part of the wave where the molecules are spread out.
rarefaction
500
Does sound travel in a straight line or outward in all directions?
Outward in all directions
500
Which frequency would have a higher pitch? A. 200 waves per second B. 500 waves per second C 1000 waves per second
C
500
Which frequency would have a lower pitch? A. 200 waves per second B. 500 waves per second C 1000 waves per second
A