This zip file contains a practice excel spreadsheet (with answer key) and a pdf of student directions on how to create a double line graph in excel. This activity walks students through how to use M.S. Excel 2013 to graph data (heights of plants grown in pH 7 and pH 8 soils). The activity also includes graph analysis questions (with answer key). This is a great intro activity if you would like students to use Excel to graph their data throughout the year.