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 Students pretend to be a historians as they gather data about the environment over the last 25 years and learn how to create a time line to show the results. Authored by: Pearson Prentice Hall Grade: 6 | 7 | 8 Subjects: Social Studies and History Environmental Science + show tags TYPE: Maps Worksheets