Independent and Dependent Variable

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 tested and measured in a scientific experiment. It is dependent on the independent variable.

Front

In the equation y = mx + b, which variable is independent?

Back

x is the independent variable.

Front

In the equation y = mx + b, which variable is dependent?

Back

y is the dependent variable.

Front

If the length of a reception increases, what happens to the money earned?

Back

The money earned (dependent variable) increases as the length of the reception (independent variable) increases.

Front

In a study, if the amount of sunlight affects plant growth, which is the independent variable?

Back

The amount of sunlight is the independent variable.

Front

In a study, if the height of a plant is measured based on the amount of water it receives, which is the dependent variable?

Back

The height of the plant is the dependent variable.

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

In an experiment, if you change the temperature to see how it affects the rate of a chemical reaction, what is the independent variable?

Back

The temperature is the independent variable.

Front

In an experiment, if you measure how far a car travels based on the amount of fuel used, what is the dependent variable?

Back

The distance the car travels is the dependent variable.