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WorksheetsIndependent vs. Dependent Variables
Total questions: 28
Worksheet time: 50mins
This variable in an experiment is the one being deliberately changed by the scientist.
dependent variable
extraneous variable
independent variable
control group
Batman harvests mushrooms in the forests of Oregon and then sells them to local restaurant chefs. The greater the weight of the mushrooms, the greater their value.
w = the weight of the mushrooms
v = the value of the mushrooms
v is the independent variable and w is the dependent variable
w is the independent variable and v is the dependent variable
While on vacation, Wonder Woman plans to write some postcards to her friends. The number of postcards she can send depends on how many stamps she has.
p = the number of postcards Wonder Woman can send
s = the number of stamps Wonder Woman has
p is the independent variable and s is the dependent
s is the independent variable and p is the dependent
The students at Hillcrest High School are collecting food for a local food bank. The number of trucks needed to deliver the food to the food bank will depend on the amount of food collected.
t = the number of trucks needed to deliver the food
f = the amount of food collected
t is the independent variable and f is the dependent variable
f is the independent variable and t is the dependent variable
Aquaman wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable
Type of fertilizer
Size of sunflower
type of sun flower
Superman wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the independent variable.
Color or chair
Grade on test
Age of students
Green Lantern investigated if the age of students caused them to be better drivers. What is the dependent variable?
Type of car
Skill of driving
Age of student
Iron man streams movies through a company that charges him a $1.50 per movie. What is the dependent variable?
the number of movies he rents
the company that he rents from
the money it costs
There isn't one
The time it takes you to walk to school is a function of the distance you live from the school. What is the independent variable?
time
distance
What is the independent variable?
Does the type of gasoline put in a car affect 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
Mrs. M uses praise as a reward to train her dog, Max. She wants to know the best way to train her dog, so she sets up an experiment to find out if there is a better way to get her dog to respond to commands. What is her dependent variable?
Type of reward
Praise
Type of dog
Number of times the dog follows commands
Factors that cause differences between the experimental group and control group other than the independent variable (in other words, things we can't control).
control group
population
confounding variables
Which should be written as an "if, then" statement?
Question
Hypothesis
Experiment
Conclusion
Spiderman earned $8 for every cake he delivers.
m = money
c = cakes he delivers
The dependent variable is:
m = money
c = cakes he delivers
Black Widow earned $5 for every "A" she got on her report card.
m = money
A = A on report card
The dependent variable is:
m = money
A = A on report card
The one factor that a scientist changes during an experiment.
Controlled Variable
Dependent Variable
Independent Variable
The variable that is measured.
Controlled Variable
Dependent Variable
Independent Variable
The factors that stay the same or are constant throughout the experiment.
Controlled Variable
Dependent Variable
Independent Variable
Why is it important to have only one independent variable and to control the other variables when performing science experiments?
So you can tell which factor is causing the change in the experiment.
It does not matter, you can have as many independent variables as you want.
