Experiment 3: Graph Analysis

Mouse over (or tap) the peaks and troughs of the graph to display the corresponding times. Record the peak and trough times in the table below the chart. When you are finished recording, Note: you may leave this window open to refer to your analysis when taking the quiz. If you close this window, you will lose your data. Printing this window is recommended.

Normal 12-hours-light/12-hours-dark schedule: Daytime is 6:00 a.m. — 6:00 p.m.

Day Time of Peak (Max.) Time of Trough (Min.) 1 2

Dark-dark schedule: Lights off

Day Time of Peak (Max.) Time of Trough (Min.) 3 4 5 6 Indeterminate 7 Indeterminate Indeterminate

Altered light-dark schedule: Daytime is noon — midnight

Day Time of Peak (Max.) Time of Trough (Min.) 8 9 10 Indeterminate