Independent and Dependent Variables

Front

What is an independent variable?

Back

An independent variable is the variable that is manipulated or changed in an experiment to observe its effect on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the variable that depends on or is changed by the independent variable in an experiment.

Front

What is a control variable?

Back

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

Front

In the statement 'If I floss more, then I will have fewer cavities,' what is the dependent variable?

Back

The dependent variable is the number of cavities.

Front

In the statement 'If I floss more, then I will have fewer cavities,' what is the independent variable?

Back

The independent variable is the amount of flossing.

Front

How do you identify the dependent variable in an experiment?

Back

The dependent variable is identified as the one 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 manipulated to observe its effect on the dependent variable.

Front

Why is it important to control variables in an experiment?

Back

Controlling variables is important to ensure that the experiment tests only the effect of the independent variable on the dependent variable.

Front

What is an example of a dependent variable in a temperature experiment?

Back

An example of a dependent variable in a temperature experiment is the temperature measured after a specific time under a heat source.

Front

What is an example of an independent variable in a plant growth experiment?

Back

An example of an independent variable in a plant growth experiment could be the amount of sunlight the plants receive.