Practice Independent, dependent, constant variables

Front

What are constants in an experiment?

Back

Constants are the parts of the experiment that remain the same for both the control and experimental groups.

Front

What is the dependent variable in an experiment?

Back

The dependent variable is the factor that is measured or observed in an experiment, which changes in response to the independent variable.

Front

What is the independent variable in an experiment?

Back

The independent variable is the factor that is changed or manipulated by the experimenter to observe its effect on the dependent variable.

Front

What does it mean for a question to be testable?

Back

A testable question is one that can be answered through experimentation and observation.

Front

Why is it important to test one variable at a time in an experiment?

Back

Testing one variable at a time keeps the experiment fair and allows the experimenter to see what caused the change in the results.

Front

What is an example of a testable question?

Back

Does the amount of sunlight affect the growth of a plant?

Front

What is an example of a non-testable question?

Back

What is the best color in the world?

Front

In the question 'Does the temperature of a tennis ball affect the height of its bounce?', what is the independent variable?

Back

The independent variable is the temperature of the tennis ball.

Front

In the question 'How does the height from which a ball is dropped affect how high it bounces?', what is the dependent variable?

Back

The dependent variable is the height that the ball bounces.

Front

What is a control group in an experiment?

Back

The control group is the group in an experiment that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects do.