Meets Common Core Standard 4.P.3.2 and Texas TEK 5.8c. This lab contains three activities demonstrating refraction and two activities demonstrating reflection. Both processes happen when light hits a surface and changes speed. Students have a lab sheet with a question, writing space and drawing space. Students also have a light bulb type of KWL to use as they begin and end the lab. There is a posttest based on the vocabulary words and the lab activities. The last lab activity has students using one flashlight and several mirrors to build a light maze that has the single beam of the flashlight reflecting through the mirrors from one end of table to the other. Students will really enjoy the activities. Materials are simple...mirrors, flashlights, water in a glass, prism.