Earth waves Earthquake waves Quaky waves Seismic waves
Dense rock Light rock Mud and sand Liquid metal
Longitudinal waves Transverse waves Not really waves at all Weaker than Q waves
Faster than light Faster than S waves In straight lines Round in circles
They are heavier on one side They are spinning Of diffraction Of refraction
Wet plate movement Dry plate movement Sea floor spreading Hot rock spreading
Sea floor crushing Sea floor squashing Sea floor squeezing Subduction