1. label the parts of a wave: (crest, wavelength, amplitude, trough, and normal line)

1. label the parts of a wave: (crest, wavelength, amplitude, trough, and normal line)
Answer
Brief Explanations:
The crest is the highest point of the wave. The trough is the lowest point. The wavelength is the distance between two consecutive crests or troughs. The amplitude is the distance from the normal line (equilibrium position) to a crest or trough. The normal line represents the undisturbed or equilibrium state of the medium through which the wave is traveling.
Answer:
On the given wave - the highest points should be labeled as "Crest", the lowest points as "Trough". The horizontal distance between two consecutive crests or troughs should be labeled as "Wavelength". The vertical distance from the central horizontal line (normal line) to a crest or trough should be labeled as "Amplitude". The central horizontal line itself should be labeled as "Normal line".