Independent & Dependent Variables

Front

Research Question: Does the type of gasoline put in a car affect how fast the car can drive? What is the independent variable?

Back

Type of gasoline

Front

Identify the independent variable in an experiment where the mass of a ball affects the distance it rolls off a ramp. Options: distance traveled by the ball, height of the ramp, mass of the ball, weight of the ball

Back

mass of the ball

Front

Research question: does the distance a person kicks a soccer ball affect how well they will do on their math test? What is the dependent variable? Options: How far they kick the soccer ball, who the person is, how well they do on the math test, Type of soccer ball.

Back

how well they do on the math test

Front

What is the DEPENDENT variable (effect) in this experiment? "Does eating breakfast improve test scores?"

Back

the grade you got on the test

Front

What is the INDEPENDENT VARIABLE when testing how the amount you water a plant affects its growth?

Back

The amount you water each plant.

Front

In an experiment on plants to see how different liquids affect growth, what is the independent variable? Options: The type of plant, The amount of sunlight, The type of music, The type of liquid.

Back

The type of liquid

Front

What is the independent variable in Mr. Pransky's experiment on how different surfaces affect the bounce height of a tennis ball?

Back

the different surfaces

Front

What is the independent variable in the hypothesis: "If salt is added to water then the boiling point of water will decrease (go down)."?

Back

Whether salt is added or not

Front

What is the dependent variable when testing the time it takes for objects of different sizes to reach the ground after being dropped from 30 feet?

Back

The time it takes for each object to hit the ground.

Front

What is the independent variable in Steve's experiment on sunflower growth?

Back

Type of fertilizer