15.1 Flashcards
Wave:
A disturbance that transfers energy from one place to another without transferring matter.
Mechanical wave:
A wave that can travel only through matter.
Medium:
A material in which a wave travel.
Transverse wave:
A wave in which the disturbance is perpendicular to the direction the wave travels.
The highest points of a transverse wave are the ____ and the lowest points are the ____.
1)crests
2)troughs
Longitudinal wave:
Makes the particles in a medium move parallel to the direction that the wave travels.
Compressions:
The regions of a longitudinal wave where the particles in the medium are closest together
Rarefactions:
the regions of a longitudinal wave where the particles are farthest apart
Vibration:
A back and forth or up and down movement of an object.
Electromagnetic waves:
A wave that can only travel through empty space and through matter