Vibrations
This cause sound to happen.
What is vibration?
A fast vibration makes this pitch.
What is high pitch?
When objects vibrate, they produce this.
What are sound waves?
This is how a guitar makes sound.
What is by vibrating strings?
This is why a spoon makes more sound on the floor than on a soft chair.
What is the floor vibrates more than the chair?
A bell is hit quickly, this is what happens to the vibrations.
What is the vibrations happen faster?
A loosely tightened guitar string makes this kind of pitch.
What is a lower pitch?
This is what vibrating molecules in a table create after a book drops.
What are sound waves?
This is what all musical instruments have in common.
What is they all use vibrations to make sound waves?
This is why the sound change when water was added.
What is the amount of water changed how fast the glass vibrated.
True or False. Vibrations that happen at different speeds can make different sounds.
What is true?
This is what happens when a sheet of metal is shaken more quickly.
What is faster vibrations produce higher pitch?
This travels through the air to your ears.
What is sound waves?
A tightened guitar string produces a higher pitch because—
What is the speed and strength of vibrations affect pitch.
This object would make the loudest sound when dropped: a pillow or a metal pan.
What is a metal pan?
This is why a bell can make both low and high pitches.
What is the vibrations occur at different speeds?
Slow vibrations create this type of pitch.
What is low pitch?
This must happen for sound waves to be produced.
What is an object must vibrate?
True or False. All instruments need two objects to strike together to make sound.
What is false?
A hard surface usually make louder sounds because of this.
What is a hard surfaces vibrate more easily.