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 determine which types of mediums make the most effective ear protectors. Tests students' understanding of sound waves, loudness, and the properties of mediums. Scoring rubric and background notes included. Grade: 7 | 8 | 9 | 10 Subjects: Science Physics Sound (Acoustics) + show tags TYPE: Activities Worksheets