Olivia.M and Kenan.R
what is sound energy?
Sound come from vibrations .These create sound waves which move through mediums such as air and water before reaching our ears.
Our ears vibration in a similar way to the vibration allowing them to hear many different sound.
Dog's can here at a higher frequency then humans, allowing them to here noises that we can't.
Sound is used by many animals to detect danger ,warning them of possible attacks before they happen.
Sound can't travel through a vacuum because it has no matter.