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Experimental Variables

Total questions: 19

Worksheet time: 1hrs 10mins

Name
Class
Date
1.

What is the DEPENDENT variable in this experiment?
"Do tall people jump further than short people?"

a)

person's height

b)

person's weight

c)

how fast the person runs

d)

how far the person jumps

2.

What would be the INDEPENDENT variable in an experiment that tests which types of paper airplane go further?

a)

the paper used

b)

the type of paper airplane

c)

the distance of each airplane flight

d)

how strong the airplane is thrown

3.

What is the INDEPENDENT variable in this experiment?
"What type of medium is best for plant growth?"

a)

plant height (cm)

b)

type of medium (soil vs. sand)

c)

amount of medium

d)

types of plant

4.

If I water the plant more often, it will grow taller. Name the independent variable.

a)

The height of the plant

b)

The size of the pot

c)

The amount of water

d)

The amount of light.

5.

The parts of the experiment that remain the same.

a)

controlled variables

b)

data

c)

independent variables

d)

dependent variables

6.

A study was conducted to determine if different types of tires affect the braking distance of a car. What is the dependent variable?

a)

The type of tire

b)

The braking distance

c)

The type of car

7.

A scientist is testing which ice cream flavor melts the fastest. What would be his controlled variables? (choose ALL that apply)

a)

The flavor of the ice cream

b)

the type of cone the ice creams are in

c)

the location in the room where the ice cream is

d)

the size of the scoop

e)

the time it takes to melt

8.

These are the variables that must remain the same. They do not receive any change to make a fair test.

a)

Dependent variables

b)

Controlled variables

c)

Independent variables

9.

Ms. King wants to see how different surfaces affect how high a tennis ball can bounce. What is the independent variable?

a)

the different surfaces

b)

using the same ball

c)

how high they bounce

10.

Dory conducted 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)

type of ball

11.

Frankie creates an experiment to see if a new bait will allow him to catch more fish. What is the control group?

a)

The old bait

b)

The new bait

12.

The independent variable is...

a)

The result that the scientist measures

b)

The condition that the scientist changes to test its effects

c)

A condition that remains the same

13.

The dependent variable is...

a)

The result that the scientist measures

b)

The condition that the scientist changes to test its effects

c)

a condition that remains the same

14.

How many variables do we want to test/change during a controlled experiment?

a)

1

b)

2

c)

3

d)

4

15.

Control Group

a)

What I Change

b)

Result

c)

Compare

d)

Stays the same

16.

Independent Variable

a)

"I change"

b)

Compare/Typical Condition

c)

Stays the same

d)

The Effect/Result

17.

The "normal", "typical" or whatever is NOT receiving the tested variable

a)

Independent Variable

b)

Control Group

c)

Controlled Variable

d)

Dependent Variable

18.
This scientific variable is graphed on the x-axis. 
a)
Dependent
b)
Control Group
c)
Independent
d)
Constant
19.

If I study for my scientific method test, then I will have a better test score. Who would be in the control group?

a)
Scientific Method
b)

Everyone that studies and doesn't study

c)

The students that study.

d)

The students that don't study.