This one-page worksheet is a review of vocabulary words used in a unit about light. It is intended as a homework assignment, but could be used for classwork, morning work, or bell work. If students follow all directions, it is self-checking. Answer key included. This assignment reinforces the following vocabulary words: light, electromagnetic spectrum, transparent, translucent, opaque, shadow, reflection, refraction, absorb. Please see http://www.teacherspayteachers.com/Store/PurplePanda for