Independent & Dependent Variables

Front

What is the variable in an experiment that is manipulated or changed by the scientist?

Back

Independent variable

Front

What is the variable that is measured or observed in an experiment?

Back

Dependent variable

Front

In an experiment, if you add more light bulbs to a room, what is the dependent variable?

Back

How bright the room is

Front

What type of variable causes an effect or change in another variable?

Back

Independent variable

Front

What type of variable is affected by changes in another variable?

Back

Dependent variable

Front

What is the term for data that describes qualities or characteristics?

Back

Qualitative data

Front

What is the term for data that can be measured and expressed numerically?

Back

Quantitative data

Front

If the amount of water in a plant affects its growth, what is the independent variable?

Back

Amount of water

Front

If the height of a plant is measured after varying amounts of sunlight, what is the dependent variable?

Back

Height of the plant

Front

In a scientific experiment, what is the purpose of the independent variable?

Back

To test its effect on the dependent variable