independent and dependent variables

Front

What is an independent variable?

Back

An independent variable is a 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 a variable that is measured and affected in an experiment. It depends on the independent variable.

Front

In the equation t = s, which variable is independent?

Back

s (the number of students) is the independent variable.

Front

In the equation s = p, which variable is dependent?

Back

s (stickers earned) 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

What does it mean when we say a variable is dependent?

Back

It means that the variable's value is influenced by changes in another variable.

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.

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to observe its effect on the dependent variable.