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 Using the Doppler effect, students will determine whether the frequency of sound waves is increasing or decreasing, based on the location of the source and the receiver. Grade: EL | 9 | 10 | 11 | 12 Subjects: Science Physics Sound (Acoustics) + show tags TYPE: Worksheets