The OpenSciEd elementary science program aligns with all NGSS standards for elementary education.
Have you ever wondered about the letters and words we use in talking and writing? What did people do before there were letters? Why are there only 26 letters in English? Often you are unaware that your questions drive your curiosity and exploration into language and communication. In this unit, your job is to decipher (figure out) the patterns, similarities, and differences of letters, word families and origins, sounds, and languages. Why are there so many languages in our world? Human language is unique and may help you to think in a different way as you explore the amazing variety o