1. Sound!!! By Cush!

2. What produces sound Sound is made by a wave of oscillating pressure through a liquid, solid or gas.

3. Amplitude “Amplitude is the measurement of the change (positive or negative) in atmospheric pressure commonly caused by sound waves.”

4. Frequency Frequency is the number of sound waves per unit of time. Frequency is related to wavelengths.

5. Wavelength “Wavelength of sound is the inverse of its frequency.”

6. Effects of changing If the length of a plucked string is long its going to make a bass sound, if the string is short then its going to be more high pitch. The fret on a guitar is good example when you change the fret your shortening the notes.

7. Sources cited http://en.wikipedia.org/wiki/Soun dhttp://en.wikipedia.org/wiki/Soun d http://www.indiana.edu/~emusic/ acoustics/amplitude.htmhttp://www.indiana.edu/~emusic/ acoustics/amplitude.htm http://www.indiana.edu/~emusic/ acoustics/frequency.htmhttp://www.indiana.edu/~emusic/ acoustics/frequency.htm