Dependent and Independent Variables (Practice Questions)

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 the statement 'The profit, p, and the number of candy bars sold, c', what is the independent variable?

Back

Independent variable: c (number of candy bars sold)

Front

In the scenario where Ms. Shi adds photos to her scrapbook, what is the independent variable?

Back

Independent variable: p (number of photos added)

Front

In the question 'How does drinking milk affect Monica's growth?', what is the independent variable?

Back

Independent variable: drinking milk

Front

In the statement 'Dollars earned, d, and number of hours spent babysitting, h', what is the dependent variable?

Back

Dependent variable: d (Dollars earned)

Front

In the scenario where Sophie earns money for each A on her report card, what is the dependent variable?

Back

Dependent variable: m (money earned)

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

Give an example of an independent variable in a scientific experiment.

Back

Example: The amount of sunlight a plant receives.

Front

Give an example of a dependent variable in a scientific experiment.

Back

Example: The growth of the plant measured in centimeters.