Multiple choice

Sound does not travel in

  1. Solid

  2. Vacuum

  3. Liquid

  4. Gas

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sound is a mechanical wave that requires a medium to propagate - it travels by vibrating particles in solids, liquids, or gases. A vacuum has no particles to vibrate, so sound cannot travel through it. This is why sound cannot travel through space.