WHAT IS SOUND?
Sound is a type of this.
➡️ Energy
What type of motion creates vibrations?
B___-and-f____ motion
Back-and-forth motion
Another word for loudness is ______.
volume
Sound is created when something does this.
➡️ Vibration
Stronger vibrations create LOUDER or HIGHER sounds?
louder
The unit to measure sound
Decibel
We hear sound when vibrations reach this part of the body.
Ears
Pitch is how ___ or ___ a sound is.
high, low
Volume is how ___ or ___ a sound is.
loud or soft
True or False: You can see sound with your eyes.
False
When you pluck the strings of a guitar, the strings _____.
vibrate
Music is sound in p_tt_r_s.
patterns
Sound travels as this shape: W_ _ _ _
Waves
You cannot see air vibrate. Then can you hear the air vibrate? TRUE or FALSE
TRUE
Some people need help to hear. What tools do they use to help hear?
hearing aids