Electromagnetic and Mechanical Waves Crossword

Need matter to transfer energy
DO NOT NEED matter (or medium) to transfer energy
Wave that needs matter to transfer energy
Mechanical waves travel two different ways
Energy causes the matter in the medium to move up and down or back and forth at right angles to the direction the wave travels
The highest point on a wave
the valley between two waves, is the lowest point.
the horizontal distance, either between the crests or troughs of two consecutive waves.
the peak (greatest) value (either positive or negative) of a wave. The distance from the undisturbed level to the trough or crest.
A mechanical wave in which matter in the medium moves forward and backward along the same direction that the wave travels.
the part of the compressional wave where the particles are crowded together.
the part of the compressional wave where the particles are spread apart.
the peak (greatest) value (either positive or negative) of a wave. The distance from the undisturbed level to the trough or crest.
the number of wavelengths that pass a point in a given amount of time.