Perfect for upper elementary, middle school or high school students! Great for reviewing and testing the part of designing an experiment. Reviews the following concepts: variables, constants, controlled experiment, control group, experimental group, independent variable, dependent variable, and graphing. Includes:-Teacher answer key-2 page reading article with 2 printing methods (full pages and half page (2 sheets per page) -Foldable notes that are differentiated. Simply print the cover version