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 Enrich your study of chemistry with this activity about catalysts. This printable for physical science includes a reading passage and comprehension questions about the role catalysts play in chemical reactions. Grade: 9 | 10 | 11 | 12 Subjects: Science Chemistry Chemical Change + show tags TYPE: Worksheets Activities