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Logan T. Shirley
Sound and Pitch
Beat Tracks Co.
What is sound?
Sound
Sound is energy made by vibration.
Fact
Fact
You hear sound, but you can't see it.
How does sound travel?
Sound Traveling
Sound travels in fast, curvy waves.
Fact
Fact
Sound Wave
Light Wave
Sound travels faster than light.
Sound can get annoying after a while.
Opinion
Opinion
What is pitch?
Pitch is the rate at which vibrations are made.
Pitch
How can pitch be changed?
Changed Pitch
Tighten the object (string.)
You can tighten a guitar string with a tuner to make the pitch higher.
guitar
Guitar
rubber band
When you stretch a rubber band it gets tighter and when you pluck it the pitch is higher than normal.
rubber band
Affect Sound
How do different materials affect sound?
They can make the sound lower or higher.
Hollow Objects
Hollow
When objects placed on something hollow the hollow thing makes it sound deeper and acts like a speaker.