- S-Waves(sheer): Move in a waving motion.
- P-waves(pressure): Moves by pushing matter into other matter to move the energy wave to a point where it is stopped.(sound)
- S-Waves can't move through liquids.
- P-Waves need matter to move through.
- Sound moves faster through denser media than less dense ones.
- Sound waves move in one direction and then bounces of other objects.
- The SOFAR channel is an area in the ocean where sound does not leave the water.