mismatch, unhealthy, unable, removed, untangle, unknown, unequal, reappear, recharge, misplace

Challenge Words:

misunderstand, misplace, misconstrue, misalign, unidentified, unintelligent, uncouth, reconstruct, reevaluate, regroup 

Vocabulary Words: Waves Unit

amplitude, wavelength, crest, trough, baseline, frequency, energy