Multiple choice

Sound can not pass through

  1. water

  2. steel

  3. air

  4. vaccum

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

Sound is a mechanical wave that requires a medium (solid, liquid, or gas) to propagate. It cannot travel through a vacuum because there are no particles to vibrate and transmit the wave energy. This is why sound cannot travel in space.