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Sound waves moves in the
same direction the energy is
Waves that move in a different
Sounds travel through 3 media.
- Sound travels through the solid the fastest
(energy passed through closely packed particles)
- Sound travels through the gases the
What is an echo?
Echo are sound waves that are reflected
(When the sound wave hits a flat, firm
How can echo or noise be
By covering the room with soft, thick, uneven
How does covering rooms with the above
When a sound wave hits the material the
sound is absorbed (changes to thermal energy).
Transfer of energy when
a wave disappears into a
The number of times an object vibrates per
Musical notes can be:
How high or low sound is.
Is there a difference between
pitch and frequency?
Pitch is the way our ears hear sound.
(The way we hear sound is related to the
number of peaks BUT, they are not the
How to change pitch?
Short guitar string
causing high pitch