It can pass through air, water, glass, and many other materials. Some materials do not permit light to pass through. Light travels in a straight line. Stars are the primary light source in the universe. All color comes from white light.
White light contains all the colors in the color spectrum.
Lastly, mirrors are made of materials that reflect light. Stars are the primary light source in the universe. As a class, discuss and web different aspects of light. Lead students into a discussion about why light is important to our life and relate it to their lives. For example, discuss with students how they would of gotten ready for school today without light.