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 depends on other factors; it is what you measure in the experiment.

Front

In the equation s = 8t, what does 't' represent?

Back

In the equation s = 8t, 't' is the independent variable.

Front

In a graph, what does the x-axis represent?

Back

The x-axis represents the horizontal part of a graph.

Front

In the scenario where Carey and Justin raise money for books, what is the dependent variable?

Back

The dependent variable is the number of books they can purchase.

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

What is an example of an independent variable in a study about plant growth?

Back

An example of an independent variable could be the amount of sunlight the plants receive.

Front

What is an example of a dependent variable in a study about plant growth?

Back

An example of a dependent variable could be the height of the plants.

Front

How do you identify the dependent variable in a question?

Back

The dependent variable is usually the outcome or effect that is being measured.

Front

What does it mean if a variable is controlled in an experiment?

Back

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