This fourth grade unit on waves and information aligns to NGSS* standards 4-PS4-1, 4-PS4-3. Students will learn about waves, wavelength, amplitude, the human ear and how we hear, pitch, frequency, and different types of information transfer.It covers two topics:WavesInformation TransferIncluded are mini books, hands on science activities, non-fiction passages, practice pages, interactive notebook pages, and much more! Download the 27 page preview to see what's included in this 90 page resource!