Light sources and light paths -- Light's normal path -- Straight light paths and images -- Reflected light and the law of reflection -- Where is the image you see in a mirror? -- Another look at a mirror image -- Light reflected through water -- Refraction -- Refraction and disappearing glass -- Refraction and dispersion: colored light from white light -- Lenses, curved mirrors, and real images -- Light rays from distant objects -- A convex lens, focal length, and images -- A model of a convex lens -- How does distance affect the images made by a convex lens? -- A concave mirror, focal length, and images -- How does distance affect the images made by a concave mirror? -- Light and color -- Mixing colored light -- Colored shadows -- Colored objects in colored light -- Complementary colors of light -- Double light filters -- Analyzing the light that passes through colored light filters -- Experiments marked with this symbol contain material that might be used for a science fair project -- Light, particles, and waves -- Light and a particle theory -- Light and a wave theory -- Diffraction of light -- A wave model of polarized light -- Reflected polarized light -- Is sky light polarized? -- A model of sun and sky -- Reducing glare -- Rotating polarized light -- Light, waves, and soap bubbles -- Illusions and mirages -- Mirages -- The continuous bending of light that cause mirages -- Line illusions -- Is the moon really bigger when it rises? -- After image illusions -- More after image illusions -- Appendix: Science supply companies.