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 compare the Hubble telescope to a time machine, in order to discuss the concept of time travel. Authored by: Scott Foresman, an imprint of Pearson Grade: 3 | 4 | 5 Subjects: Science Space Exploration Telescope + show tags Themes: Inventors and Inventions Space TYPE: Worksheets