Independent/Dependent Variables

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

What is a Dependent Variable?

Back

The variable that is measured and affected in an experiment; it responds to changes in the independent variable.

Front

What is a Control Variable?

Back

Variables that are kept constant throughout an experiment to ensure that the test results are valid.

Front

In an experiment, if you change the amount of sunlight plants receive, what is the independent variable?

Back

The amount of sunlight.

Front

In an experiment, if you measure how tall plants grow with different fertilizers, what is the dependent variable?

Back

The height of the plants.

Front

What is the purpose of having a control group in an experiment?

Back

To provide a baseline for comparison against the experimental group.

Front

If you are testing how different liquids affect plant growth, what is the independent variable?

Back

The type of liquid given to the plants.

Front

In Jamal's basketball experiment, what is the responding variable?

Back

How many points he scores.

Front

What does it mean to have constant variables in an experiment?

Back

These are the factors that remain unchanged to ensure that the results are due to the independent variable.

Front

In the question 'Will a person fall asleep faster if they listen to music?', what is the responding variable?

Back

Time to fall asleep.