Sound Projects with a Music Lab You Can Build »

Introduction     7
Science Fairs     9
The Scientific Method     11
Safety     12
The Science of Sound     14
Vibrations: The Cause of Sounds     15
A Bull Roarer     21
Sound, Frequency, and Pitch     22
How Sound Travels     24
A Sound Trumpet     31
Sound in Solids and Liquids     32
Science and Music     36
The Science of Strings     37
Waves, Standing Waves, and Harmonics     41
Waves, Octaves, Music, and Math     45
A String Telephone and a "Bell"     48
A Vibrating Air Column     51
Resonance     54
Sounds of the Sea: Resonance with Tubes of Air     59
Instruments with Strings     60
What Is the Purpose of a Mute on a Stringed Instrument?     62
Why Is There a Hollow Box Under the Strings?     64
A Wide-Keyed "Piano"     65
A Twangy "Piano"     67
A One-String Guitar     69
A Two-String Bottle Banjo     73
An Eight-String Harp     78
A "Washtub" Bass     81
A Shoe Box Guitar     85
WindInstruments     87
A Hose Horn     88
A Simple Pipe Organ     89
A Fluty Horn     92
A Bottle Band     94
A Panpipe     96
Reed Horns     100
Percussion Instruments     104
A Mechanic's Xylophone     106
Drinking Glass Bells     107
The Bell and Woodwind Mystery     109
A Mechanic's Chimes     110
Bells from Flowerpots     112
Wood Chimes and Other Chimes     114
Some Inexpensive Percussion Instruments     117
Science Supply Companies     121
Further Reading     124
Internet Addresses     125
Index     126