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 a graph, which axis represents the independent variable?

Back

The x-axis represents the independent variable.

Front

In a graph, which axis represents the dependent variable?

Back

The y-axis represents the dependent variable.

Front

If you are studying how the amount of sunlight affects plant growth, what is the independent variable?

Back

The amount of sunlight is the independent variable.

Front

If you are studying how the amount of sunlight affects plant growth, what is the dependent variable?

Back

The plant growth is the dependent variable.

Front

What does it mean to control variables in an experiment?

Back

Controlling variables means keeping all other factors constant except for the independent variable to ensure that any changes in the dependent variable are due to the independent variable.

Front

Give an example of an independent variable in a study about how temperature affects ice cream sales.

Back

The temperature is the independent variable.

Front

Give an example of a dependent variable in a study about how temperature affects ice cream sales.

Back

The ice cream sales are the dependent variable.

Front

What is the relationship between independent and dependent variables?

Back

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