Working in groups students need to fill out the Student Designed Experiment form and identify the variable they want to test. They have done the control in the skill building activity. Insist that each group do a different experiment, testing a different variable. To ensure inquiry, do not help them as they decide. Observations will need to be made for a period of time, probably a week or two.
Experiment has a control, logical and clear procedures, data is recorded and thoroughly analyzed.
Graphs are present. Conclusions thorough and thoughtful. 6 Competent Completes all steps. Experiment may lack control, procedures lack thoroughness. Data is recorded, analysis not complete.