Question

A student does an experiment for a science fair to study whether temperature affects the timing of a cricket’s chirps. The student keeps a cricket in an enclosed box that is heated to different temperatures each day for twelve days. The student records the cricket’s chirps by using a sound-activated microphone so the timing of the chirps can be measured. Which is the dependent variable in this experiment?
size of the box
temperature of the box
timing of the cricket’s chirps
volume of the cricket’s chirps

Answer 1

The timing of the cricket’s chirps.

Explanation: The dependent variable is what the experimenter measures in response to changing the independent variable (temperature). The size of the box is a control, and volume is not what's being measured.