Science Variables

Front

What is a dependent variable?

Back

The dependent variable is the factor that is measured or observed in an experiment. It changes in response to the independent variable.

Front

What is an independent variable?

Back

The independent variable is the factor that is changed or controlled in an experiment to test its effects on the dependent variable.

Front

In an experiment, if you change the amount of sunlight a plant receives, what is the independent variable?

Back

The amount of sunlight.

Front

In an experiment, if you measure how tall a plant grows in response to different amounts of water, what is the dependent variable?

Back

The height of the plant.

Front

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

Back

The control group is used as a standard for comparison. It does not receive the experimental treatment.

Front

If Julie studies 10 extra minutes a day and her math grade improves, what is the dependent variable?

Back

Her math grade.

Front

If Zach spends more time on social media and his grades drop, what is the independent variable?

Back

Time spent on social media.

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

In an experiment testing different brands of paper towels, what is the dependent variable?

Back

The amount of liquid absorbed.

Front

If Beth increases her exercise and measures the time it takes to run a mile, what is the dependent variable?

Back

The time to run a mile.