Independent and 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

In the experiment, 'Does the flavor of ice cream affect how fast it melts?', what is the independent variable?

Back

The flavor of ice cream.

Front

In the experiment, 'How does adding cardio to one’s daily schedule affect their heart rate?', what is the dependent variable?

Back

The heart rate.

Front

Identify the dependent variable: 'A study was done to find if different tire treads affect the braking distance of a car.'

Back

The distance the car took to brake.

Front

What is the independent variable in the question: 'You are testing which type of paper airplane goes furthest?'

Back

The type of paper airplane.

Front

How does changing the scent of a brand of dog food affect how much the dog eats? What is the dependent variable?

Back

How much the dog eats.

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

Give an example of an independent variable in a scientific experiment.

Back

The amount of sunlight a plant receives.

Front

Give an example of a dependent variable in a scientific experiment.

Back

The growth rate of the plant.