1. Controlled Experiment Data Table
Independent/Dependant Variable

2. Independent Variable
Item that is manipulated.
What do I change?
The changing factor of the experiment.

3. Dependant Variable
What you are measuring.
What do I observe.
The factors that are influenced in the experiment.

4. Constant.
Items that are kept the same during the experiment.
What do I keep the same?

5. Control group.
Part of the experiment that you measure with.
Results are known to the experimenter.

6. Experimental Group.
Items that change in each group.
Does not include control group.

7. Data Table

8. Independent Variable
Dependant Variable
Constant
(controlled variable)
Control Group
Experimental Group

9. In-Class Assignment
Work on Part D: Water and Weathering questions 1-5.
Read each question and answer with a complete thought in your notebook.
Work on Part E: Biological Weathering questions 1-5