Independent vs Dependent Variables

Front

What is an independent variable?

Back

An independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured and affected in an experiment, responding to changes in the independent variable.

Front

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

Back

The amount of sunlight the plant receives.

Front

In the experiment, if you change the amount of water a plant receives, what is the dependent variable?

Back

The growth of the plant.

Front

If you are studying how studying time affects test scores, what is the independent variable?

Back

The time spent studying.

Front

If you are studying how studying time affects test scores, what is the dependent variable?

Back

The test scores.

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 a study about how temperature affects ice cream melting, what is the independent variable?

Back

The temperature.

Front

In a study about how temperature affects ice cream melting, what is the dependent variable?

Back

The amount of ice cream melted.

Front

If you are testing how different fertilizers affect plant growth, what is the independent variable?

Back

The type of fertilizer used.