Teacher demonstration of primary colors of light 3. Students make and use a prism 4. Students make and use a spectroscope 1. Students make a prism and spectroscope. 29 Reflection and Refraction 1.
Students observe refraction of liquids.
Students compare reflection and refraction. Students study reflection in 2 mirrors. Students study reflection in 1 mirror. Graphing 30 Lenses and their Uses 1. Students determine the focal length of a convex lens.