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Independent/ Dependent Variable Practice
Test Description: Practice identifying IV/DV from scenarios.
Instructions: Answer all questions to get your test result.
1) 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
Growth of plants
D
Height of plants.
2) 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
Height of plants
B
Growth of plants
C
Different cotton crops
D
Type of fertilizer
3) I use different types of weed killers on my lawn to see which one kills the most weeds. What is the DV?
A
Most weeds
B
Types of weed killers
C
Types of weeds
D
Amount of weeds killed
4) I use different types of weed killers on my lawn to see which one kills the most weeds. What is the IV?
A
Type of weed killer
B
Most weeds
C
Types of weeds
D
Amount of weeds killed
5) 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
Headaches
B
Amount of medication
C
Types of pain reliever
D
Amount of time until pain was relieved
6) 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
Amount of time until pain was relieved
C
Amount of medication
D
Headaches
7) 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
Number of dummies
B
Amount of damage to the car
C
Amount of damage to the dummy
D
Amount of collisions
8) 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
Amount of damage
B
Type of crash
C
Type of car
D
Type of dummy
9) 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
Color of flower
B
Type of flower
C
Number of bees
D
Type of bees
10) 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
Type of flower
C
Number of bees
D
Color of flower
11) 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
Amount of time survived
B
Type of fish
C
Type of pollution
D
Levels of pollution
12) 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
Amount of time before death
C
Type of pollution
D
Level of pollution
13) The independent variable is the one you measure.
A
True
B
False
14) The independent variable is the variable that you change.
A
True
B
False
15) How many independent variables can you have in an experiment?
A
1
B
2
C
As many as you want!
D
3
16) The dependent variable is the variable that you measure.
A
False
B
True
17) The dependent variable is the variable that you change.
A
False
B
True
18) How many dependent variable can you have in an experiment?
A
As many are you can measure.
B
3
C
2
D
1
*select an answer for all questions
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