A flexible metal rod is mounted over a sound box; visitors pluck the rod and change its effective length to see how stronger or weaker vibrations at different lengths relate to the sounds it creates.
- Changing Sounds
Classroom activities for investigating pitch
- Sound Sandwich
Construct a noisemaker called a Sound Sandwich. By making simple adjustments, you’ll be able to raise or lower the pitch.
- Bee Hummer
Make a toy that sounds like a swarm of buzzing bees when you spin it around.
- Traveling Bass
Why do you hear the bass from your neighbors stereo but not the treble?
- Headlands Experiments
Watch Exploratorium staff members play with sounds they found outside
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