Independent & Dependent variable

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

In an experiment, if you change the amount of sunlight a plant receives, what type of variable is this?

Back

Independent variable.

Front

If you are measuring how tall a plant grows in response to different types of soil, what is the dependent variable?

Back

The height of the plant.

Front

What is the purpose of a control variable in an experiment?

Back

Control variables are kept constant to ensure that the results are due to the independent variable only.

Front

In the experiment about soccer kicks and math test scores, what is the independent variable?

Back

The distance a person kicks the soccer ball.

Front

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

Back

Identifying these variables helps to clarify the relationship being tested and ensures the experiment is structured correctly.

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 an experiment testing different liquids on plant growth, what is an example of a control variable?

Back

The amount of soil each plant receives.

Front

What is the relationship between independent and dependent variables?

Back

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