Independent vs 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 changes in the independent variable.

Front

In an experiment, what does the x-axis represent?

Back

The x-axis typically represents the independent variable.

Front

In an experiment, what does the y-axis represent?

Back

The y-axis typically represents the dependent variable.

Front

If you increase the amount of sunlight for plants, what variable is being manipulated?

Back

The independent variable is the amount of sunlight.

Front

If you measure how tall plants grow in different amounts of sunlight, what variable are you measuring?

Back

The dependent variable is the height of the plants.

Front

In the relationship between temperature and ice cream sales, which is the independent variable?

Back

The independent variable is the temperature.

Front

In the relationship between the amount of food eaten and the cost of the check, which is the dependent variable?

Back

The dependent variable is the cost of the check.

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.

Front

How can you determine the independent variable in a study?

Back

The independent variable is usually the one that is changed or controlled by the researcher.