Independent and 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, depending on the independent variable.

Front

In the relationship between the weight of a package and the cost to mail it, which is the independent variable?

Back

The weight of the package.

Front

In the relationship between how much water you use and the price of your water bill, which is the independent variable?

Back

How much water you use.

Front

In the relationship between the number of students and the amount of jolly ranchers needed, which is the independent variable?

Back

The number of students.

Front

In the relationship between the weight of a bag and the materials in the bag, which is the independent variable?

Back

The materials in the bag.

Front

In the relationship between the amount Amazon needs to deliver and how many delivery drivers they hire, which is the independent variable?

Back

The amount Amazon needs to deliver.

Front

How do you identify the independent variable in an experiment?

Back

The independent variable is usually the one that you can change or manipulate.

Front

How do you identify the dependent variable in an experiment?

Back

The dependent variable is usually the one that you measure or observe in response to changes in the independent variable.

Front

What is the purpose of identifying independent and dependent variables in an experiment?

Back

Identifying these variables helps to understand the cause-and-effect relationship in the experiment.