Independent & Dependent Variables

Front

What is an independent variable?

Back

The independent variable is the ONE thing you change in an experiment.

Front

What is a dependent variable?

Back

The dependent variable is the outcome or effect that you measure in an experiment.

Front

In an experiment, what does the independent variable affect?

Back

The independent variable affects the dependent variable.

Front

What is the independent variable in the experiment: 'Does the amount of sunlight affect plant growth?'

Back

The amount of sunlight.

Front

What is the dependent variable in the experiment: 'Does the amount of sunlight affect plant growth?'

Back

The growth of the plant.

Front

If you are testing how different types of music affect concentration, what is the independent variable?

Back

The type of music.

Front

If you are testing how different types of music affect concentration, what is the dependent variable?

Back

The level of concentration.

Front

Why is it important to control variables in an experiment?

Back

To ensure that the results are due to the independent variable and not other factors.

Front

What is an example of a controlled variable in an experiment testing plant growth?

Back

The type of soil used.

Front

In the experiment 'How does temperature affect the rate of a chemical reaction?', what is the independent variable?

Back

The temperature.