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Difference between Tides and Waves. Key Difference: Tides are the rise and fall of sea level that is caused by the gravitational pull of the moon and the sun on the Earth. Waves are actually energy that moves across the surface of the water.
Differences between Sound Waves And Electromagnetic Waves. 1  A Sound wave is a longitudinal wave whereas, electromagnetic waves are transverse waves. 2  Sound is a mechanical vibration that passes through a medium such as gas, liquid or solid to become a sound.aves that does not need any medium or matter to travel through, and travels through space, are called electromagnetic waves. Sound waves. Sound is a mechanical wave that results from the back and forth vibration of the particles of the medium through which the sound wave is moving.