This a fun practice, review, or homework assignment to assign middle school (6th-8th grade) science students after you have taught them the three experiment variables. It is the best assignment if you are going to do a bubble experiment next. This is a self-checking assignment to share in Google Classroom. Students will read 10 scenarios of experiments performed by people in the school and they are asked to identify one of the variables. There is a dropdown menu of possible answers for every que