Independent and Dependent Variables

Front

What is an independent variable?

Back

An independent variable is a 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 a variable that depends on other factors; it is what you measure in the experiment.

Front

In the equation y = mx + b, which variable is independent?

Back

x is the independent variable.

Front

In the equation y = mx + b, which variable is dependent?

Back

y is the dependent variable.

Front

If you increase the amount of sunlight a plant receives, what type of variable is sunlight?

Back

Sunlight is the independent variable.

Front

If a student studies more hours, what is the dependent variable in this scenario?

Back

The dependent variable is the student's test score.

Front

What does it mean if a variable is controlled in an experiment?

Back

A controlled variable is kept constant to ensure that the results are due to the independent variable.

Front

In a study measuring how different fertilizers affect plant growth, what is the dependent variable?

Back

The dependent variable is the plant growth.

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 graph, which axis typically represents the independent variable?

Back

The x-axis typically represents the independent variable.