Guide

Main Module | Energy from Mud? Thank a Microbe!
21
Scientic Investigations
ScieNtific iNveStiGatioNS
Graphing
Once all the data have been collected make a graph of the voltage (y axis)
versus time (x axis). Be sure to include a title, axes labels, and units.
Title: _________________________________________
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Analysis
1. An independent variable is something that is changed on purpose during the
experiment. Whatwastheindependentvariableinthisinvestigation?
2. The dependent variable is what is measured. What was the dependent
variableinthisinvestigation?
activity 1