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 context of a lunch line, if the length of the line is the independent variable, what is the dependent variable?

Back

The time you wait in line.

Front

If the number of hours Mr. Gursaly tutors is the independent variable, what does that affect?

Back

The amount of money he makes.

Front

In an experiment, if the amount Amazon needs to deliver is the independent variable, what is the dependent variable?

Back

The number of delivery drivers they hire.

Front

If Lacey's running speed is the independent variable, what is the dependent variable when measuring her performance in laps?

Back

How quickly she can run 4 laps.

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 classroom setting, if the number of students is the independent variable, what is the dependent variable when determining resources needed?

Back

The number of laptops needed.

Front

How can you identify the independent variable in a problem?

Back

Look for the variable that is being changed or controlled.

Front

How can you identify the dependent variable in a problem?

Back

Look for the variable that is being measured or observed.