Scientific Variables

Front

What is a dependent variable?

Back

The dependent variable is the factor that is measured in an experiment. It changes in response to the independent variable.

Front

What is an independent variable?

Back

The independent variable is the one factor that a scientist changes during an experiment to observe its effect.

Front

What is a controlled variable?

Back

Controlled variables are factors that are kept constant throughout an experiment to ensure that the results are valid.

Front

In an experiment, what does the dependent variable represent?

Back

The dependent variable represents the outcome or effect that is measured in response to changes in the independent variable.

Front

How do you identify the dependent variable in a question?

Back

Look for the outcome or result that is being measured or tested in the experiment.

Front

In the question 'Does the distance a person kicks a soccer ball affect how well they do on their math test?', what is the dependent variable?

Back

The dependent variable is 'how well they do on the math test'.

Front

In the study about tire treads and braking distance, what is the dependent variable?

Back

The dependent variable is 'the distance the car took to brake'.

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to see how it affects the dependent variable.

Front

Can there be more than one independent variable in an experiment?

Back

No, typically there is only one independent variable to ensure clear results, but multiple controlled variables can exist.

Front

What is an example of a dependent variable in a study about dog food scents?

Back

The dependent variable is 'how much the dog eats'.