Variables Practice Flashcard

Front

What is a dependent variable?

Back

The dependent variable is the factor that is measured in an experiment. It is affected by changes in the independent variable.

Front

What is an independent variable?

Back

The independent variable is the factor that is changed or controlled in an experiment to test its effects on the dependent variable.

Front

In an experiment, what is the controlled variable?

Back

Controlled variables are factors that are kept constant to ensure that the results are due to the independent variable.

Front

How does the length of sleep affect test scores? Identify the dependent variable.

Back

The dependent variable is the test score.

Front

If caffeine is the independent variable, what is the dependent variable in the study of its effect on appetite?

Back

The dependent variable is how hungry you are.

Front

In Ben's helicopter experiment, what is the independent variable?

Back

The independent variable is the wing length of the helicopters.

Front

What is the one factor that a scientist changes during an experiment called?

Back

This factor is called the independent variable.

Front

What is the variable that is measured in an experiment?

Back

The variable that is measured is called the dependent variable.

Front

Give an example of a controlled variable in an experiment measuring the effect of sunlight on plant growth.

Back

An example of a controlled variable could be the type of plant used in the experiment.

Front

What is the relationship between independent and dependent variables?

Back

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