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 test the strength of eggshells. Materials list, rubric, worksheets, and answer key are provided. Authored by: Scott Foresman, an imprint of Pearson Grade: 5 Subjects: Birds Animals (Zoology) Biology Science + show tags Themes: Animals TYPE: Worksheets