Front

What is a control variable?

Back

A variable that is kept constant to not influence the outcome of the experiment.

Front

What is the independent variable in an experiment?

Back

The variable that is deliberately changed by the scientist to test a hypothesis.

Front

What is a dependent variable?

Back

The outcome that the experiment aims to measure, which is affected by the independent variable.

Front

What is the purpose of a control group in an experiment?

Back

The group in the experiment that does not receive the treatment, used for comparison.

Front

In the research question 'Does penicillin prevent infection?', what is the independent variable?

Back

The presence of penicillin.

Front

In an experiment, what does the term 'independent variable' refer to?

Back

The variable that is intentionally changed to observe its effect.

Front

What is the definition of a dependent variable?

Back

The variable that is measured in an experiment, which changes in response to the independent variable.

Front

In the experiment where students used various temperatures of water to dissolve candy, what was the independent variable?

Back

Temperature of Water.

Front

What is the significance of using different sounds in Tiffany's experiment?

Back

Different sounds serve as the independent variable to test how fast Hayden reacts.

Front

What is the role of data in an experiment?

Back

Data is the information collected during the experiment, used to analyze the results.