Independent VS. Dependent Variables CW

Marcos wants to know: Does the type of gasoline put in a car effect how fast the car can drive? What is the independent variable?

• Type of gasoline
• which car the gas is put into
• how fast the car can drive
• how much gas is put into the car

Angelina set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

• Distance traveled by the ball
• Height of the ramp
• Mass of the ball
• Who set up the experiment (Ms. S, etc)

Does the flavor of ice cream effect how fast the ice cream melts? The flavor of ice cream is the....

• independent variable

• dependent variable

Does changing the scent of a brand of dog food affect how much the dog eats? How much the dog eats is the...

• independent variable

• dependent variable

How does the amount of sunlight affect how many tulip flowers a plant grows? The sunlight is the...

• independent variable

• dependent variable

How does adding cardio to one’s daily schedule affect their heart rate? The heart rate is the...

• independent variable

• dependent variable

Paco's daughter will be participating in an upcoming dance recital. She will require a different costume for each dance she plans to performs.
c = the number of costumes Paco's daughter will require
d = the number of dances Paco's daughter plans to perform
Which of the variables is independent?

• c = the number of costumes
• d = the number of dances

A(n) _____________ variable depends on or is changed by another variable.

• dependent
• independent

On a graph, which axis shows the dependent variable?

• x-axis
• y-axis
• neither
• it changes

In the United States House of Representatives, the number of representatives from a state depends on the population.

Which of the variables is independent?

• number of U.S. Representatives

• population