the Electromagnetic Spectrum Worksheet Key. A worksheet, in the word’s original meaning, is usually a sheet of paper where one performs work. This is a printed page a child completes with a writing instrument. No other materials are necessary. It’s”a sheet of paper where work schedules, working time, special instructions, etc. are recorded. A piece or scrap of paper on which issues, thoughts, or so on, are put down in tentative form.” In education, a worksheet may have concerns for students and places to document answers. In accounting, a worksheet is, or was, a sheet of ruled paper with columns and rows where an accountant could record information or perform calculations.