Independent/Dependent Variables

Front

What is an independent variable?

Back

The part the scientist changes or is testing in an experiment.

Front

What is a dependent variable?

Back

The part being measured in an experiment.

Front

Which variable depends on what is done at the beginning of an experiment?

Back

Dependent variable.

Front

When is a hypothesis written?

Back

Before the experiment.

Front

What variable comes after the word IF in a hypothesis?

Back

Independent variable.

Front

What is the purpose of an independent variable in an experiment?

Back

To test how changes affect the dependent variable.

Front

What is the purpose of a dependent variable in an experiment?

Back

To measure the effect of the independent variable.

Front

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

Back

No, there should only be one independent variable to ensure clear results.

Front

What is a control variable?

Back

A variable that is kept constant to ensure a fair test.

Front

Why is it important to write a hypothesis before an experiment?

Back

To predict the outcome based on prior knowledge.