Identifying Independent and Dependent Variables

Front

What is an independent variable?

Back

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

Front

What is a dependent variable?

Back

A dependent variable is the factor that is measured or observed in an experiment, which is affected by the independent variable.

Front

In the experiment of painting a room, what is the independent variable?

Back

The size of the room in square feet, s.

Front

In the experiment of painting a room, what is the dependent variable?

Back

The number of gallons of paint needed, g.

Front

In the classroom scenario, what is the independent variable?

Back

The number of students in a class, s.

Front

In the classroom scenario, what is the dependent variable?

Back

The number of desks needed, d.

Front

How do you identify the independent variable in an experiment?

Back

Look for the variable that is intentionally changed or manipulated.

Front

How do you identify the dependent variable in an experiment?

Back

Look for the variable that responds to changes in the independent variable.

Front

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

Back

The amount of sunlight the plants receive.

Front

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

Back

The height of the plants after a certain period.