Independent/ Dependent Variable Practice Question Preview (ID: 20483)
Practice Identifying IV/DV From Scenarios.
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A farmer applies different fertilizer to his cotton crops, to see which will make his plants grow the highest. What is the IV?
a) Different cotton crops
b) Type of fertilizer
c) Height of plants.
d) Growth of plants
A farmer applies different fertilizer to his cotton crops, to see which will make his plants grow the highest. What is the dependent variable?
a) Different cotton crops
b) Type of fertilizer
c) Height of plants
d) Growth of plants
I use different types of weed killers on my lawn to see which one kills the most weeds. What is the DV?
a) Amount of weeds killed
b) Most weeds
c) Types of weed killers
d) Types of weeds
I use different types of weed killers on my lawn to see which one kills the most weeds. What is the IV?
a) Amount of weeds killed
b) Most weeds
c) Types of weeds
d) Type of weed killer
In a study about headaches, doctors gave patients Alieve, Tylenol, Advil, and Excedrin, to see which medication would relieve the headache pain the fastest. The doctors timed how long it took the medication to work. What is the IV?
a) Types of pain reliever
b) Headaches
c) Amount of time until pain was relieved
d) Amount of medication
In a study about headaches, doctors gave patients Alieve, Tylenol, Advil, and Excedrin, to see which medication would relieve the headache pain the fastest. The doctors timed how long it took the medication to work. What is the DV?
a) Types of pain relievers
b) Headaches
c) Amount of time until pain was relieved
d) Amount of medication
To test the safety of a car, crash tests will test different types of cars in collision situations. They want to determine in which car the crash test dummy receives the least amount of damage. What is the DV?
a) Amount of damage to the car
b) Amount of collisions
c) Number of dummies
d) Amount of damage to the dummy
To test the safety of a car, crash tests will test different types of cars in collision situations. They want to determine in which car the crash test dummy receives the least amount of damage. What is the IV?
a) Type of car
b) Type of dummy
c) Type of crash
d) Amount of damage
A scientist wanted to determine the color flower that bees are most attracted to. She placed different colors of the same type of flower near each other and counted the number of bees that visited each flower color. What is the IV?
a) Type of flower
b) Type of bees
c) Color of flower
d) Number of bees
A scientist wanted to determine the color flower that bees are most attracted to. She placed different colors of the same type of flower near each other and counted the number of bees that visited each flower color. What is the DV?
a) Type of bees
b) Color of flower
c) Number of bees
d) Type of flower
Scientists wanted to determine the levels of pollution that a fish could withstand. They placed fish in tanks with differing pollution levels and timed how long they could live under those conditions. What is the IV?
a) Type of fish
b) Levels of pollution
c) Amount of time survived
d) Type of pollution
Scientists wanted to determine the levels of pollution that a fish could withstand. They placed fish in tanks with differing pollution levels and timed how long they could live under those conditions. What is the DV?
a) Type of fish
b) Level of pollution
c) Amount of time before death
d) Type of pollution
The independent variable is the one you measure.
a) True
b) False
c)
d)
The independent variable is the variable that you change.
a) True
b) False
c)
d)
How many independent variables can you have in an experiment?
a) 1
b) 2
c) 3
d) As many as you want!
The dependent variable is the variable that you measure.
a) True
b) False
c)
d)
The dependent variable is the variable that you change.
a) True
b) False
c)
d)
How many dependent variable can you have in an experiment?
a) 1
b) 2
c) 3
d) As many are you can measure.
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