This is a great matching sort for 6th grade light vocabulary. The PowerPoint slides are organized with the vocabulary word as a slide and then the next slide is the definition. This way it can be used as a class review or it can be printed in small slides and used as a sort review for partners or teams. Vocabulary words that are included are: absorption, reflection, refraction, transparent, translucent, opaque, angle of incidence, angle of reflection, spectrum, medium, prism, concave lenses,