Scientific Variables

Front

In an experiment, a variable is...

Back

Something that is changed.

Front

In an experiment, the constant, or control, is...

Back

Something that does not change.

Front

In your experiment, the factor that you measure is called the...

Back

dependent variable

Front

In an experiment, the factor that is changed is called the...

Back

independent variable

Front

Choose the correct definition of a constant or a control in a scientific experiment.

Back

All the factors that stay the same in an experiment.

Front

Why is it important to only change the independent variable in an experiment?

Back

To keep the experiment fair.

Front

What is the independent variable in Steve's experiment to see if the type of fertilizer affects sunflower growth?

Back

Type of fertilizer

Front

In Steve's experiment to find out which type of fertilizer makes sunflowers grow larger, what is the dependent variable?

Back

Size of sunflower

Front

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid, water, apple juice and gatorade. Each plant has the same amount of sunlight, soil and listens to the same music. What is the independent variable?

Back

the type of liquid

Front

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid, water, apple juice and gatorade. Each plant has the same amount of sunlight, soil and listens to the same music. What is the control?

Back

Amount of sunlight, soil and music.