This first grade unit on Waves: Light and Sound aligns to NGSS* standards 1-PS4-1, 1-PS4-2, 1-PS4-3, and 1-PS4-4. In this unit, students will learn all about sound and light, how light behaves, and how people communicate with light and sound.It covers four topics:Sound as VibrationsLight as IlluminationHow Light BehavesCommunicating with Light and SoundIncluded are mini books for learning, hands on science activities, non-fiction mini-books, practice pages, interactive notebook pages, and much m