Download Add to Favorites Add to Folder creative writing children's book activities classroom tools language arts and writing vocabulary Create new folderCREATE NEW FOLDER Share The universe is made up of tens of billions of galaxies! Read about the Big Bang, and learn how stars and planets form in this printable. Grade: 3 | 4 | 5 | 6 Subjects: Science Space and Astronomy Solar System + show tags Themes: Space TYPE: Worksheets