Question

page 9 of 9 Life and Water Quick Check 1 of 51 of 5 Items Question In an experiment or investigation, what is a control?(1 point) Responses The variable that changes other variables in the experiment. The variable that changes other variables in the experiment. The variable that remains unchanged throughout the investigation. The variable that remains unchanged throughout the investigation. The purpose or reason for the experiment or investigation. The purpose or reason for the experiment or investigation. The variable that the experimenter controls or changes in the investigation. The variable that the experimenter controls or changes in the investigation. Skip to navigation

Answer 1

In an experiment or investigation, a control is defined as **the variable that remains unchanged throughout the investigation**. This allows for a proper comparison to determine the effect of the variable that is being tested.