Variables

Front

What is a variable in an experiment?

Back

A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

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

What is a dependent variable?

Back

The dependent variable is the factor that is measured or observed in an experiment, which is affected by the independent variable.

Front

What are constants in an experiment?

Back

Constants are the factors that are kept the same throughout an experiment to ensure that the results are due to the independent variable.

Front

How do you identify the independent variable in a question?

Back

The independent variable is usually the one that is manipulated or changed by the experimenter.

Front

How do you identify the dependent variable in a question?

Back

The dependent variable is usually the outcome or response that is measured in the experiment.

Front

What is the purpose of a control in an experiment?

Back

A control is used as a standard for comparison to ensure that the results of the experiment are valid.

Front

Give an example of an independent variable in a study about plant growth.

Back

The amount of sunlight the plants receive.

Front

Give an example of a dependent variable in a study about plant growth.

Back

The height of the plants after a certain period.

Front

What is the relationship between independent and dependent variables?

Back

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