Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-down menus to complete the statements. This experiment was divided into two parts. For the first part of the experiment, the
was intentionally manipulated. This was the independent variable. The dependent variable observed was the
.

For the second part of the experiment, the
was intentionally manipulated. This was the independent variable. The dependent variable observed was the
.