sound
what are soundwaves
transferring energy without transferring matter
what arethe types of waves
mechanical
what is sound production
Vibrations creating compressions in the air
shat does sound require
a meduim ( solid liquid gas )
what is loudness determined by
Determined by amplitudeof sound waves.
what is pitch determined by
frequency of sound waves.
how do we hear thibgs
the ear Converts sound waves into nerve signals interpreted by the brain.
what are echos
reflection of sound waves
what is untrasound
High-frequency sound waves