Independent vs Dependent Variables

Front

What is an independent variable?

Back

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

Front

Example of an independent variable in a study about plant growth.

Back

The amount of sunlight the plants receive.

Front

Example of a dependent variable in a study about plant growth.

Back

The height of the plants after a certain period.

Front

In the experiment, if you change the amount of water given to plants, what is the independent variable?

Back

The amount of water.

Front

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

Back

The height of the plants.

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

Why is it important to identify independent and dependent variables in an experiment?

Back

Identifying these variables helps to clarify the purpose of the experiment and ensures accurate data collection.

Front

What happens to the dependent variable if the independent variable is increased?

Back

The dependent variable may increase, decrease, or remain the same, depending on the nature of the relationship.

Front

In a study measuring the effect of study time on test scores, what is the independent variable?

Back

The amount of study time.