When waves travel, the medium of propagations does not move with it.

Period is the number of wave cycles completed per unit of time.

Amplitude refers to the farthest distance a particle can vibrate from its equilibrium position.

Meteorologists are people who study fossils of dead organisms, used to find fossils of some plants and animals in certain areas only.

Diffraction refers to the ability of the waves to bend around small openings and barriers

Crests refer to the lowest point that can be reached by any part of the medium during vibration.

A terrane is a large block of lithospheric plate attached at the edge of a continent that has been moved.

Waves are carriers of power and electricity.

Echo is an example of driffraction.