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WorksheetsExperimental Design
Total questions: 25
Worksheet time: 3600secs
Name
Class
Date
1.
This variable in an experiment is the one being deliberately changed by the scientist.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
2.
The summary at the end of an experiment that explains the results.
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
3.
Three baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the playground for their investigation. Which should they keep constant?
a)
height of the players
b)
color of the balls thrown
c)
order in which the players throw
d)
spot from which the players throw
4.
A factor in an experiment that stays the same.
a)
control group
b)
constant
c)
dependent variable
d)
experimental group
5.
In the experiment pictured, a student is testing the effect of the amount of fertilizer on plant growth. What is the independent variable?
a)
amount of water
b)
amount of fertilizer
c)
the type of plant
d)
the size of the plant container
6.
In the experiment pictured, a student is testing the effect of the amount of fertilizer on plant growth. Which of the following is NOT a constant in the experiment?
a)
amount of water
b)
angle of light
c)
type of plant
d)
amount of fertilizer
7.
What is the RANGE of this data
a)
40
b)
95
c)
90
d)
100
8.
Squidward found new reeds to try out for his clarinet. He used an APPLAUSOMETER to measure applause after playing "Under the Sea" with each reed. The results were put in the table.
What was the dependent variable?
What was the dependent variable?
a)
The Song
b)
The Reed
c)
The Applause
d)
The instrument
9.
Dory 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?
(Hint: The DV is the variable being counted or measured.)
(Hint: The DV is the variable being counted or measured.)
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
ball type
10.
If you were testing how well different dish soaps cleaned grease, the independent (experimental) variable would be the:
a)
dishes type
b)
amount of water
c)
dish soap type
d)
grease type
11.
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane fly the farthest?
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
12.
Describe the correlation in the graph shown.
a)
Strong Negative
b)
Strong Positive
c)
Weak Negative
d)
No Correlation
13.
Describe the correlation in the graph shown.
a)
Strong Negative
b)
Strong Positive
c)
Weak Negative
d)
No Correlation
14.
Describe the correlation in the graph shown.
a)
Strong Negative
b)
Strong Positive
c)
No Correlation
d)
Weak Positive
15.
The picture shows a(n) __________________
a)
Erlenmeyer flask
b)
test tube
c)
beaker
d)
graduated cylinder
16.
In the experiment shown, plant A received 50 mL of coke each day, plant B received 50 mL of juice, and plant C received 50 mL of water. Every day for one week, plant growth was measured. Which group served as the control group?
a)
Plant A
b)
Plant B
c)
Plant C
d)
There was no control group
17.
In the experiment shown, plant A received 50 mL of coke each day, plant B received 50 mL of juice, and plant C received 50 mL of water. Every day for one week, plant growth was measured. What was the independent variable?
a)
Plant growth
b)
Type of liquid
c)
Type of plant
d)
Amount of liquid
18.
In the experiment shown, plant A received 50 mL of coke each day, plant B received 50 mL of juice, and plant C received 50 mL of water. Every day for one week, plant growth was measured. What was the dependent variable?
a)
Type of plant
b)
Plant growth
c)
Type of liquid
d)
Amount of liquid
19.
Which of the following is typically found on the x-axis of a graph?
a)
The independent variable
b)
The dependent variable
c)
The control groups
d)
The constants
20.
This is an example of a _______________________.
a)
Pie chart
b)
Dot plot
c)
Histogram
d)
Standard Bar Graph
21.
Which of the following is a way to improve the reliability of the results of an experiment?
a)
Repeat the experiment, but change the constants
b)
Repeat the experiment and keep all of the constants the same
c)
Change the dependent variable
d)
Have multiple control groups
22.
Identify the outlier for the given data?
34, 27, 7, 30, 28, 31, 34
34, 27, 7, 30, 28, 31, 34
a)
7
b)
23
c)
31
d)
34
23.
To find the _________ you add up all the numbers and then divide by how many numbers you have.
a)
Mean
b)
Median
c)
Mode
d)
Range
24.
To find the ______ you put all numbers in order from least to greatest and then take the largest number minus the smallest number.
a)
Mean
b)
Median
c)
Mode
d)
Range
25.
Find the mean of these numbers:
2, 5, 3, 2
2, 5, 3, 2
a)
2
b)
3
c)
12
d)
4
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