Independent and Dependent Variables Flashcard

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 equation y = mx + b, what does 'y' represent?

Back

In the equation y = mx + b, 'y' represents the dependent variable.

Front

In the equation y = mx + b, what does 'x' represent?

Back

In the equation y = mx + b, 'x' represents the independent variable.

Front

What is the purpose of a control variable in an experiment?

Back

A control variable is kept constant to ensure that the results are due to the independent variable only.

Front

How do you identify the independent variable in a word problem?

Back

The independent variable is usually the factor that is changed or manipulated, often found in the 'if' part of a statement.

Front

How do you identify the dependent variable in a word problem?

Back

The dependent variable is usually the outcome or effect that is measured, often found in the 'then' part of a statement.

Front

What does the y-axis represent in a graph?

Back

The y-axis represents the dependent variable in a graph.

Front

What does the x-axis represent in a graph?

Back

The x-axis represents the independent variable in a graph.

Front

If Sarah brings 2 treats for each student, what is the independent variable?

Back

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