Science Variables

Front

What is a Dependent Variable?

Back

The variable that is being tested, counted, or measured in an experiment. It responds to changes in the independent variable.

Front

What is a Constant in an experiment?

Back

The things that are kept the same throughout an experiment to ensure that the results are due to the independent variable.

Front

What is an Independent Variable?

Back

The variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

In the hypothesis "If salt is added to water then the boiling point of water will decrease," what is the independent variable?

Back

Amount of salt.

Front

In Mrs. Goodwyn's experiment, what is the constant when testing if studying time affects test scores?

Back

Same Assignment.

Front

What is the purpose of a Control in an experiment?

Back

To provide a standard for comparison and to ensure that the results are due to the independent variable.

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

Give an example of a dependent variable in a plant growth experiment.

Back

Plant height or number of leaves.

Front

What does it mean to 'control' variables in an experiment?

Back

To keep certain variables constant to ensure that the experiment tests only the effect of the independent variable.

Front

What is the significance of having constants in an experiment?

Back

Constants help to ensure that the experiment is fair and that the results are valid.