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, responding to changes in the independent variable.

Front

In the relationship between hours studied and test scores, which is the independent variable?

Back

The hours studied is the independent variable.

Front

In the relationship between the number of hours a plant receives sunlight and its growth, which is the dependent variable?

Back

The growth of the plant is the dependent variable.

Front

True or False: The dependent variable is what you measure in an experiment.

Back

True

Front

True or False: The independent variable is affected by the dependent variable.

Back

False

Front

If you increase the amount of water given to a plant, what type of variable is the amount of water?

Back

The amount of water is the independent variable.

Front

If the number of students in a class increases, and the number of desks needed also increases, what is the dependent variable?

Back

The number of desks needed is the dependent 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.

Front

In a study measuring the effect of temperature on ice cream melting, what is the independent variable?

Back

The temperature is the independent variable.