Question

The primary difference between mechanical waves and electromagnetic waves is that mechanical waves need a _________ to travel through. *

4 points
particle
medium
magnet
electrode

Answer 1

Medium

Step-by-step explanation:

Electromagnetic waves (light, electricity) can travel through space, which has no medium (air), while mechanical waves cannot. The main medium for mechanical waves is air, and without the medium, the wave cannot travel. This is why you cannot hear sound in space.

The roaring spacecraft in Star Wars is false.