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Intro to Experimental Design

Total questions: 70

Worksheet time: 2hrs 2mins

Name
Class
Date
1.

The type of variable that responds to the experiment and is what you measure to determine if your hypothesis is true.

a)

Independent

b)

Dependent

c)

Control

d)

Constant

2.
The type of variable that you change or manipulate in an experiment.  It is what you are testing.
a)
Independent
b)
Dependent
c)
Control
3.
The parts of the experiment that must be kept the same.
a)
Constants
b)
independent
c)
Dependent
4.
If I water the plant more often, then 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.
If I water the plant more often, then it will grow taller.  Name the dependent variable.
a)
The amount of water.
b)
The amount of soil.
c)
The height of the plant.
d)
The amount of water.
6.
If you were testing how well different dish soaps cleaned grease, the independent variable would be the:
a)
dish type
b)
amount of grease
c)
dish soap type
d)
grease type
7.
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?
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
ball type
8.
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
9.

If I water the plant more often, then it will grow taller. Which of these is not a constant?

a)

The amount of soil.

b)

The pot size.

c)

The type of plant.

d)

The amount of water.

10.

Maya designed an experiment to answer the following question: How does the amount of water given to a lima

bean seed affect how tall it grows?


In this experiment, what variable should Maya CHANGE?

a)

the amount of water

b)

the kind of plant

c)

the type of soil

d)

the amount of sunlight it gets

11.

Maya designed an experiment to answer the following question: How does the amount of water given to a lima

bean seed affect how tall it grows?


Multiple answer!!!! Which things does Maya need to keep the same in her experiment?

a)

the amount of water each plant gets

b)

the amount of soil

c)

the type of plant

d)

the amount of sunlight each plant gets

12.

Anthony designed an experiment to answer the following question: How does the temperature of water affect the time it takes for a sugar cube to dissolve?


What tool should Anthony use to measure how much time it takes for the sugar to dissolve?

a)

ruler

b)

stopwatch

c)

triple beam balance

d)

thermometer

13.

Anthony designed an experiment to answer the following question: How does the temperature of water affect the time it takes for a sugar cube to dissolve?


Which factor should Anthony CHANGE in his experiment with the sugar cubes?

a)

the amount of water he uses

b)

the size of the sugar cubes

c)

the temperature of the water

14.

Anthony designed an experiment to answer the following question: How does the temperature of water affect the time it takes for a sugar cube to dissolve?


Multiple answers!!! Which things should Anthony keep the same in his experiment?

a)

the amount of water

b)

the size of the sugar cubes

c)

the temperature of the water

15.

Melika made a model to help understand why craters on the moon are different sizes. She represented the moon’s surface with a pan of flour. Melika represented objects that hit the moon with marbles. She thinks that dropping marbles from a greater height will make the crater’s diameter larger.


What should she change in her experiment to test her hypothesis?

a)

the weight of the marbles

b)

the kind of flour in the pan

c)

the height she drops the marbles from

d)

the size of the marbles

16.
How many variables should you change in an experiment?
a)
none
b)
1
c)
2 or more
d)
depends on the type of experiment
17.
The variable in an experiment deliberately changed by the scientist. The variable being tested.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
18.
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?
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
ball type
19.
An organized procedure to study something under controlled conditions is a(n)
a)
observation
b)
field study
c)
model
d)
experiment
20.
A numbered step by step description that begins with a verb and tells exactly how the experiment is to be done.
a)
reults
Results
b)
Problem
c)
Materials
d)
Procedures
21.

Which step will you first complete?

a)

Make a prediction.

b)

Communicate findings.

c)

Identify the question.

22.

Science plays a significant role in daily life by:

a)

Helping us understand the world around us

b)

Limiting our creativity

c)

Discouraging curiosity

d)

Making life more complicated

23.

Which of the following best describes how to formulate a scientific question and hypothesis based on an observation you have made?

a)

By making an observation, asking a specific question about it, and proposing a possible explanation (hypothesis).

b)

By guessing the answer without any observation.

c)

By copying someone else's hypothesis without making an observation.

d)

By ignoring the observation and making a random statement.

24.

What is science? Science is the study of structure and behavior of the _______ and _______ world.

a)

physical, natural

b)

chemical, artificial

c)

digital, virtual

d)

mythical, imaginary

25.

Which of the following is a characteristic of science?

a)

Fiction

b)

Evidence

c)

Guesswork

d)

Magic

26.

Which of the following is a characteristic of science?

a)

Testable

b)

Unpredictable

c)

Imaginary

d)

Random

27.

Which of the following is a characteristic of science?

a)

Measurability

b)

Invisibility

c)

Luck

d)

Instinct

28.

The scientific method is best described as:

a)

A systematic process for investigating phenomena and acquiring new knowledge.

b)

A set of random guesses to solve problems.

c)

A way to memorize scientific facts without experimentation.

d)

A method for expressing personal opinions in science.

29.

Which of the following is an example of a Simple Hypothesis?

a)

If you consume fewer calories, you'll lose weight.

b)

The number of calories consumed has no effect on weight.

c)

There is a relationship between calories consumed and weight.

30.

Students used various temperatures of water to see which one dissolved candy faster. 
What was the independent variable?

a)
Amount of Candy
b)
Amount of Water
c)
Temperature of Water
d)
Time for Candy to Dissolve
31.

A scientific question was asked: What is the affect of salt water on the the height of blades of grass?

What is the independent variable is being tested?

a)

salt water

b)

height

c)

average

d)

affect

32.

If plants receive more water, the number of leaves will increase. 
This is an example of a(n)...

a)
Testable Question
b)
Hypothesis
c)
Variables
d)
None of the above
33.
In this graph, what is the dependent variable? 
a)
Walla Walla Island
b)
Time
c)
Number of Deer
34.
In this graph, what is the independent variable? 
a)
Population
b)
Day
c)
Species 5
35.
How many variables should you change in an experiment?
a)
none
b)
1
c)
2 or more
d)
depends on the type of experiment
36.
The variable in an experiment deliberately changed by the scientist. The variable being tested.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
37.

Jeff is 7 feet 2 inches tall. What type of observation is this?

a)
Qualitative
b)
Quantitative
38.

The cake has a sweet smell. What type of observation is this?

a)
Qualitative
b)
Quantitative
39.
If I water the plant more often, then it will grow taller.  Name the dependent variable.
a)
The amount of water.
b)
The amount of soil.
c)
The height of the plant.
d)
The amount of water.
40.

Which of these is a quantitative observation?

a)

He is tall

b)

Ha jumps high

c)

He wears 23

d)

He is 6 feet 8 inches tall

41.

Which is a qualitative observation?

a)

He is 6 feet 8 inches tall.

b)

He weighs 265 lbs.

c)

He is strong.

d)

He wears a size 13 shoe.

42.

Randall wants to know if the amount of salt in the water has an effect on his goldfish. What is the independent variable?

a)

amount of water

b)

number of goldfish

c)

amount of salt

d)

health of the goldfish

43.

Jose wants to know if the diet of a rat affects the body weight of the rat.

What is the dependent variable?

a)

diet of a rat

b)

body weight

c)

weight of food

d)

number of rats

44.

What is the dependent variable?

a)

Type of fertilizer

b)

Average plant height

c)

The effect of fertilizer on plant height

d)

The effect of plant height on fertilizer

45.

Suri wants to know if the temperature of a nest will impact the number of lizards born male vs. female. What is the dependent variable?

a)

nest temperature

b)

number of eggs

c)

number of male vs. female lizards born

d)

number of lizards

46.
You will want your experiment to have ____ independent variable(s) in it for the experiment to be valid.
a)
1
b)
2
c)
3
d)
4
47.
Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the DEPENDENT variable
-Amount of water
-Height of Ice cube
-Temperature the ice cube was at its highest height
-Temperature of the water
-Size of the ice cube
a)
Amount of water 
b)
Height of Ice cube
c)
Temperature the ice cube was at its highest height 
d)
Size of the ice cube
48.
Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights from the bottom of the container. Identify the DEPENDENT variable
-3mm holes
-Distant water traveled out of carton
-Different heights of the holes in the container
-Ice water from Iceland
a)
3mm holes
b)
Distant water traveled out of carton
c)
Different heights of the holes in the container 
d)
Ice water from Iceland
49.
The following statement is a hypothesis formed about marsh grass: 
If the amount of nitrogen marsh grass receives is increased, then the height of the grass will increase, because nitrogen is an essential nutrient needed for marsh grass to grow.
What is the independent variable of the statement above? 
a)
Height of grass
b)
Amount of nitrogen
c)
Essential nutrient
d)
Amount of growth
50.
What skill is a scientist using when she listens to the sounds that an elephant makes?
a)
drawing conclusions
b)
making observations
c)
interpreting data
d)
making a hypothesis
51.
A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is
a)
the male alligators
b)
the incubator
c)
the gender of the alligator
d)
the temperature
52.
When you decide whether or not the data supports the original hypothesis, you are
a)
drawing conclusions
b)
forming a hypothesis
c)
asking questions
d)
making observations
53.
This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 
a)
experimental group
b)
control group
c)
data
d)
variables
54.
Squidward found new reeds to tryout 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 controlled?
a)
The Song
b)
The Reed
c)
The Applause
55.
Mr. S. sets 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)
weight of the ball
56.
Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.  Identify the dependent variable.
a)
height of the ramp
b)
 distance traveled by the ball
c)
mass of the ball
d)
weight of the ball
57.
Sarah is participating in a walkathon to raise money for local literacy programs. The amount of money Sarah will raise depends on the distance she walks.
m = the amount of money Sarah will raise
d = the distance Sarah walks
Which of the variables is dependent?
a)
m
b)
d
58.

Which culture of bacteria had the highest frequency of growth? (growing the fastest)

a)

Culture 1

b)

Culture 2

c)

Culture 3

d)

None of the cultures had a frequency of growth

59.

In the Histogram above, rank the frequency of salaries from greatest to least.

a)

32,500, 30,000, 37,500, 35,000

b)

40,000, 37,500, 30,000, 32,500

c)

25,000, 37,500, 30,000, 32,500

d)

40,000, 37,500, 32,500, 30,000

60.
How many students have blue for a favorite color?
a)
11
b)
12
c)
14
d)
17
61.
What was the difference between Hannah's rehearsal time on Monday and Tuesday?
a)
0
b)
50
c)
30
d)
80
62.
How much does it cost to have your lawn mowed for 2 hours?
a)
$16
b)
$17
c)
$18
d)
$19
63.
When was the greatest amount of shoppers at the store?
a)
10am
b)
1pm
c)
6pm
d)
2pm
64.
Between which two days was the greatest decrease in push-ups?
a)
Friday and Saturday
b)
Tuesday and Wednesday
c)
Sunday and Monday
d)
Thursday and Friday
65.
What was the bear population in 2001?
a)
40
b)
45
c)
50
d)
55
66.

Between which two years did the bear population remain constant or the same?

a)

2004 and 2005

b)

2001 and 2002

c)

2005 and 2006

d)

2000 and 2001

67.

Which axis runs vertically (up and down)?

a)

x−x- axis

b)

y−y- axis

68.

Which axis runs horizontally (left and right)?

a)

x−x- axis

b)

y−y- axis

69.

Examine the population curves for wolves and moose in the graph below.


Which statement correctly describes the population relationship between the wolves and moose from 1968 to 1973?

a)

As the moose population increased the wolf population increased.

b)

As the moose population increased the wolf population decreased.

c)

As the wolf population decreased the moose population decreased

d)

As the wolf population increased, the moose population decreased.

70.

What is the independent variable?

a)

atomic number

b)

electron volts

c)

first ionization energy

d)

Jim Askew's Graph

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