Search Front Door Kitchen SoundGarden CoffeeShop Resource Room Kids Create! Gallery Go Back Making Waves  What are the basics of sound?

NOTE: Available activities have hot links indicated by the color blue or purple. Activities that will be available soon are indicated by the color black.

As you enter this discovery path you see Clio (a Muse!). She is busy telling a group of visitors about the history of music. In the distance you can see a Giant Pan Pipe, a Giant Tuning Fork, a picnic table with music boxes on top, what looks like a huge Slinky hanging between two oak trees, and various sized ropes strung out like clothslines. The faint sound of wind chimes can be heard (29") like rustling leaves.

To continue your visit check out the following online activities:

Sound and its vibrations are a small part of the electromagnetic spectrum. Light, x-rays, radio waves, and sound are all part of this spectrum. What makes these vibrations significant to humans is the speed at which they move. Our ears hear in the range of 20 to 20,000 vibrations per second. Light, x-rays, and radio waves all vibrate at much faster rates so we can't hear them, but we can see light, see the effects of x-rays, and hear the effects of radio waves.

Can you imagine what it would be like if we could see or hear all of these vibrations?

Activity: What is sound?

Activity: What is frequency?

Activity: What do intensity and decibels have to do with loudness?

Activity: What does phase have to do with sound?

Activity: The Harmonic Series: is a sound made up of other sounds?

Activity: Sound "Fingerprints:" what is periodic motion?

Activity: Standing Waves: how do vibrations make a musical sound?

Activity: Giant Pan Pipes: what is the effect of mass and length on frequency?

Activity: Wavelength: what's the effect of longer or shorter on frequency?

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"Life in its manifestation is vibration.
Electricity is vibration.
But vibration that is creative is one thing.
Vibration that is destructive is another.
Yet they come from the same source."

Edgar Cayce

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