WorksheetsDependent and Independent Variables
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
2.
Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
3.
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?
a)
the paper used
b)
the type of paper airplane
c)
the distance of each plane's flight
d)
how hard the plane is thrown
4.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
5.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Where the experiment took place.
6.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Who set up the experiment (Ms. S, etc)
7.
Tiffany was investing how fast it took Hayden to react to different sounds. Identify the independent variable.
a)
How fast Hayden reacted
b)
different sounds
c)
types of music
d)
Hayden
8.
Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his dependent variable?
a)
Type of reward
b)
Praise
c)
Type of dog
d)
Amount of time the dog follows commands
9.
The independent variable is the ONE thing you _____.
a)
change
b)
keep the same
c)
experiment with
d)
investigate
10.
In a controlled experiment, the variable that is changed to test the hypothesis is called the –
a)
Controlled Variable
b)
Responsive Variable
c)
Dependent Variable
d)
Independent Variable
11.
The measurable factor in an experiment is known as the:
a)
Control
b)
Independent Variable
c)
Constant
d)
Dependent Variable
12.
Alexandra is testing the quality of her Nikon camera against the camera on her iPhone. The different cameras is the __ variable.
a)
constant (same)
b)
dependent (measured)
c)
independent (changes)
13.
Khaleel is testing how the use of stress balls during testing affects a student's test score. The students' average test scores who used the stress balls is the __ variable.
a)
dependent (measured)
b)
constant (same)
c)
independent (changes)
14.
Walker is testing which fertilizer will grow the tallest grass. The height of the grown grass is the __ variable.
a)
constant (same)
b)
independent (changes)
c)
dependent (measured)
15.
A comprehension test was given to students after they had studied textbook material either in silence or with the television turned on. What is the dependent variable?
a)
silence
b)
television turned on
c)
score on test
d)
textbook material
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