Independent and Dependent Variables

Front

What is an independent variable?

Back

An independent variable is the factor that is changed or controlled in a scientific 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, what does the independent variable affect?

Back

The independent variable affects the dependent variable.

Front

Why is it important to control other variables in an experiment?

Back

Controlling other variables is important to ensure that any changes in the dependent variable are due to the independent variable alone.

Front

Give an example of an independent variable in a plant growth experiment.

Back

The amount of water given to the plants.

Front

Give an example of a dependent variable in a plant growth experiment.

Back

The height of the plants after a certain period.

Front

What happens if there are multiple independent variables in an experiment?

Back

It becomes difficult to determine which variable is causing the change in the dependent variable.

Front

What is the relationship between independent and dependent variables?

Back

Changes in the independent variable cause changes in the dependent variable.

Front

In the experiment with sunlight and plant growth, what was the independent variable?

Back

The amount of sunlight the plants received.

Front

In the experiment with fertilizer and sunflower growth, what was the dependent variable?

Back

The size of the sunflowers.