Independent and Dependent Variables

Front

What is an independent variable?

Back

An independent variable is the factor that is changed or manipulated in an experiment to observe its effect 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 is the independent variable?

Back

The amount of sunlight.

Front

In an experiment, if you measure how tall a plant grows based on different amounts of water, what is the dependent variable?

Back

The height of the plant.

Front

How does increasing the slope of a ramp affect the distance a marble travels?

Back

Increasing the slope is the independent variable that affects the distance the marble travels, which is the dependent variable.

Front

If Dilcia wants to know how drinking milk affects Monica's growth, what is the independent variable?

Back

Drinking milk.

Front

If you add cardio to your daily routine and measure your heart rate, what is the dependent variable?

Back

Your heart rate.

Front

In an experiment, if you change the scent of dog food to see how much the dog eats, what is the dependent variable?

Back

How much the dog eats.

Front

In a 30 meter dash, if you test different types of shoes to see their effect on speed, what is the independent variable?

Back

The type of shoe worn.

Front

What is the relationship between independent and dependent variables?

Back

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