Principles of Light Video - Real World Science:Light DIRECTIONS Based on the main principle that is taking place, label each example below as REFRACTION, REFLECTION, TRANSMISSION OR ABSORPTION. This quiz is timed. This quiz requires you to log in. Please enter your Quia username and password. Quiz Log In Username: Password:   You must have Flash installed to take this quiz. This activity was created by a Quia Web subscriber. To learn how to make your own, just like this, click here.