Science Variables

Front

What is an independent variable?

Back

The ONE thing you change in an experiment.

Front

What is a dependent variable?

Back

What you measure or observe in an experiment.

Front

In Beth's experiment, what is the independent variable when testing exercise and running time?

Back

Amount of exercise.

Front

In Beth's experiment, what is the dependent variable when testing exercise and running time?

Back

Time to run a mile.

Front

What is a constant variable?

Back

A variable that does not change during an experiment.

Front

What is a controlled variable?

Back

Variables that are kept the same to ensure a fair test.

Front

In Allison's experiment, what is the dependent variable when testing string length and swings?

Back

Amount of swings in 30 seconds.

Front

In Allison's experiment, what is the independent variable when testing string length and swings?

Back

Length of the string.

Front

Why is it important to identify variables in an experiment?

Back

To understand how changes affect the outcome.

Front

What is the purpose of a hypothesis in an experiment?

Back

A prediction about the relationship between variables.