SOUND wave

When matter vibrates or moves back and forth very quickly, sound is produced.

Example:  When you hit a drum,

parts of the drum will vibrate creating sound.

Volume is the loudness or the softness of a sound.

nExample:  The harder a drum is hit, the more the drum will vibrate .  The more an object vibrates, the louder the sound it makes.

Pitch is the highest or lowest sound an object makes.

Objects that vibrate slowly, make a low pitch. Example-drum.

nObjects that vibrate quickly, make a higher pitch. Example-recorder

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