Light and Sound, Seeing and Listening 2.1 Perception 2.2 Light 2.3 Color and Color Sensation 2.4 Sight and Visual Communication 2.5 Sound 2.6 Listening.
REFRACTION!!!! The bending of light. Aaah! We said before that light travelled in a straight line, so why does this bending of light happen?!?!? It.
