Sound Energy

By Jocelyn, Addy and Michelle

Definition

Sound is the movement of energy through objects in compression waves.

Facts

Sound comes from vibrations, these vibrations create sound which move through mediums (liquid, solid, and gas) before reaching the ear.


The speed of sound is around 767 miles per hour (1,230 kilometers per hour).



A whip's crack breaks the speed of sound!



Sound can't travel through a vacuum.



Animals can detect danger through noises.

Here are some examples of sound energy: