Through which material does sound travel the fastest?
AAir
BWater
CSteel
DIt travels the same speed in all materials
Sound travels fastest through solids like steel because the particles are packed very closely together and pass vibrations along very quickly.
Question 2 True / False
Sound can travel through water.
TTrue
FFalse
Answer: True
Sound travels well through water — in fact, it travels about four times faster through water than through air. Whales and dolphins use this to communicate over long distances.
Question 3 Short Answer
Why can't sound travel through outer space?
Think about your answer, then reveal below.
Model answer: Space is a vacuum with no particles, and sound needs particles to carry the vibration.
Sound waves work by passing vibrations from one particle to the next. Without particles (air, liquid, or solid), there is nothing to vibrate, so the sound cannot travel.