Independent and Dependent Variables

Front

What is an independent variable?

Back

An independent variable is a factor that is changed or controlled in an experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is a factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

Front

In the context of an experiment, what does it mean when we say the independent variable 'causes' a change?

Back

It means that changes in the independent variable directly influence the outcome of the dependent variable.

Front

Identify the independent variable in the following scenario: The amount of sunlight a plant receives and its growth rate.

Back

The amount of sunlight the plant receives.

Front

Identify the dependent variable in the following scenario: The number of hours studied and the score on a test.

Back

The score on the test.

Front

True or False: The dependent variable is what you change in an experiment.

Back

False, the dependent variable is what you measure.

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to observe its effect on the dependent variable.

Front

In a graph, which axis typically represents the independent variable?

Back

The x-axis.

Front

In a graph, which axis typically represents the dependent variable?

Back

The y-axis.

Front

Give an example of an independent variable in a real-world scenario.

Back

The amount of water given to a plant.