Variables in Science

Front

What is an independent variable?

Back

An independent variable is the variable that is manipulated or changed by the scientist in an experiment.

Front

What is a dependent variable?

Back

A dependent variable is the variable being measured or observed in an experiment or study.

Front

Which variable is plotted on the y-axis of a graph?

Back

The dependent variable is plotted on the y-axis of a graph.

Front

Which variable is manipulated in an experiment?

Back

The independent variable is manipulated in an experiment.

Front

What is a control variable?

Back

A control variable is a variable that is kept constant throughout an experiment to ensure that the results are valid.

Front

What is the purpose of a control variable?

Back

The purpose of a control variable is to isolate the effect of the independent variable on the dependent variable.

Front

What is an extraneous variable?

Back

An extraneous variable is any variable other than the independent variable that could affect the dependent variable.

Front

How do you identify the dependent variable in an experiment?

Back

The dependent variable is identified as the outcome that is measured or observed in response to changes in the independent variable.

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is changed to observe its effect on the dependent variable.

Front

What is the definition of a scientific experiment?

Back

A scientific experiment is a procedure carried out to test a hypothesis by manipulating variables and observing the outcomes.