Sounds all Around
Your child should know and understand
Vibrations are periodic movements (waves) produced by a moving object.
As vibrations travel through a medium it may become audible enough to produce sound.
The characteristics of a sound depend on the underlying vibrations that produced it.
Sounds could be distinguished as high or low in audible perception (pitch).
Sounds could also be distinguished as loud or soft in audible intensity (volume).
Different types of sounds are used in emergency situations.
Some warning sounds help us to stay safe.
Vibrations are periodic movements (waves) produced by a moving object.
As vibrations travel through a medium it may become audible enough to produce sound.
The characteristics of a sound depend on the underlying vibrations that produced it.
Sounds could be distinguished as high or low in audible perception (pitch).
Sounds could also be distinguished as loud or soft in audible intensity (volume).
Different types of sounds are used in emergency situations.
Some warning sounds help us to stay safe.