Independent & Dependent Variables in Situations,Tables, & Graphs

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 number of hours worked and the amount of money earned, which is the independent variable?

Back

The number of hours worked is the independent variable.

Front

In the relationship between the temperature of water and the number of minutes it is in the freezer, which is the dependent variable?

Back

The temperature of water is the dependent variable.

Front

On a graph, which axis represents the independent variable?

Back

The x-axis represents the independent variable.

Front

On a graph, which axis represents the dependent variable?

Back

The y-axis represents the dependent variable.

Front

If the number of oranges in a bag increases, what happens to the cost of the bag of oranges?

Back

Typically, as the number of oranges increases, the cost of the bag of oranges also increases, making the number of oranges 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 relationship between them and how changes in one affect the other.

Front

Give an example of an independent variable in a study about plant growth.

Back

The amount of sunlight the plants receive is an independent variable.

Front

Give an example of a dependent variable in a study about plant growth.

Back

The height of the plants is a dependent variable.