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

On a graph, which axis shows the independent variable?

Back

x-axis

Front

On a graph, which axis shows the dependent variable?

Back

y-axis

Front

The x-axis is the ___________________ number line in the coordinate plane.

Back

Horizontal

Front

In the equation m = 8p, what does 'm' represent?

Back

m represents the money earned in dollars.

Front

In the equation m = 8p, what does 'p' represent?

Back

p represents the number of pizzas delivered.

Front

If the weight of a package increases, what happens to the cost of mailing it?

Back

The cost of mailing the package (dependent variable) increases as the weight (independent variable) increases.

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 a graph showing temperature over time, which is the independent variable?

Back

Time is the independent variable.