A) Kayla is making a scrapbook. The scrapbook grows thicker as she adds more photos.
Which of the variables is dependent? __________.
B) Shawna is going to hang up clean shirts in the closet. The number of empty hangers she has will depend on how many clean shirts there are.
Which of the variables is dependent?__________
C) Vitamin could extend a person's life expectancy. The dependent variable is __________.
D) "Do tomatoes grow faster under fluorescent, incandescent, or natural light?"
What is the independent variable? __________
E) What would the INDEPENDENT variable be in an experiment testing which type of paper airplane goes farthest? __________
F) Jon set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable. __________