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Scientific Method

Total questions: 61

Worksheet time: 1hrs 3mins

Name
Class
Date
1.
A scientist performs an experiment to see if acids have an effect on the health of a particular type of plant. Three sets of plants were treated with acidic solutions of known pH while the control set was treated with a solution of neutral pH 7.Which is the best conclusion for this experiment?
a)
Acid has no effect on the health of this type of plant.
b)
B. High acidity is helpful to this type of plant.
c)
C. Low acidity is harmful to this type of plant.
d)
High acidity is harmful to this type of plant.
2.
The graph below shows atmospheric carbon dioxide levels since the year 1880.Which of the following conclusions can be drawn from this graph
a)
 Atmospheric carbon dioxide levels are responsible for global temperature change.
b)
 Atmospheric carbon dioxide levels have been rising at about the same rate for the past century.
c)
Atmospheric carbon dioxide levels have remained the same over the past century.
d)
 Atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed.
3.
In order to be accepted, a scientific theory must be
a)
 widely tested and supported by extensive data
b)
 based on the results of a single experiment
c)
 controversial and cause debate
d)
 in line with all previous historical ideas
4.
In an appropriately designed experiment, a scientist is able to test the effect of
a)
 a single variable
b)
 multiple variables
c)
 the hypothesis
d)
 scientific observations
5.
Conclusions based on an experiment are most likely to be accepted when
a)
they are consistent with experimental data and observations
b)
 they are derived from investigations having many experimental variables
c)
 scientists agree that only one hypothesis has been tested
d)
 hypotheses are based on one experimental design
6.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
7.

Anything that may affect the results of an experiment 

a)
variables
b)
quantitative data
c)
hypothesis
d)
steps
8.

This variable in an experiment is the one being deliberately changed by the scientist.  It is the only variable that is different between groups.

a)
dependent variable
b)
independent variable
c)
data
d)
control group
9.

What is the variable that we are measuring and collecting data about in an experiment?

a)
Independent
b)
Dependent
c)
Control
d)
Experimental
10.

What is the variable that we are measuring and collecting data about in an experiment?

a)
Independent
b)
Dependent
c)
Control
d)
Experimental
11.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
12.
What is the best written dependent variable for this hypothesis:

 "If I add salt to the plant, then it will grow taller."
a)
grow taller
b)

plant growth

c)
amount of salt
d)
add salt
13.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
14.
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. The fact that we kept the light, plant, and water the same in each experiment are examples of ____________.
a)
an dependent variable
b)
an independent variable
c)
a control
d)
constants
15.

Question: Does the flavor of ice cream effect how fast the ice cream melts?

a)
independent
b)
dependent
16.
Does the type of shoe worn during a 30 meter dash affect the speed of the runner?
a)
independent
b)
dependent
17.
How does watching TV during studying affect a student’s test grades?
a)
independent
b)
dependent
18.
Does changing the scent of a brand of dog food affect how much the dog eats?
a)
independent
b)
dependent
19.
Do roses grow more in height in partial or direct sunlight?
a)
independent
b)
dependent
20.
How does increasing the slope of a ramp affect how far a marble travels?
a)
independent
b)
dependent
21.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
22.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
23.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
24.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
25.

What is the first step in the scientific method?

a)

Data

b)

Conclusion

c)

No Horse Play

d)

Observe a problem

26.
Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.
a)
If I make a paper airplane from notebook paper, then it will fly faster than construction paper.
b)
Yes.
c)
No.
d)
I think the construction paper air plane will fly faster.
27.

During this step of the scientific method, a scientist would gather background information.

a)

Hypothesis

b)

Collect Information

c)

Observation

d)

Experiment

28.
This step of the scientific method is an educated guess or a prediction. 
a)
Hypothesis
b)
Research
c)
Observation
d)
Conclusion
29.
This is the group that we will compare our experimental group to. This group stays "normal."
a)
Control Group
b)
Experimental Group
c)
 Normal Group
d)
Weird Group
30.

This is the group that is affected by the variable or the group that is changed.

a)

Control Group

b)

Experimental Group

c)

Changed Group

d)

Cool Group

31.

The name of the information that you get from your experiment (you organize it into tables).

a)

observations

conclusion

b)

data

c)

variables

d)

hypothesis

32.
What step does every scientific experiment begin with?
a)
hypothesis
b)
question/problem
c)
procedures
d)
conclusion
33.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
34.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
35.
This is the last step in the scientific method
a)
Draw a conclusion
b)
Record your data as results
c)
Share what you have learned with others
d)
Collaborate with others
36.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
37.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
38.
A hypothesis is simply a prediction that has not yet been _.
a)
proven or disproven
b)
made into a theory
c)
results calculated
d)
written about
39.
Should experiments be repeated over and over to see if the results are the same each time?
a)
yes
b)
no
40.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
41.

The information you collect while doing your experiment is called

a)

conclusions

b)

data

c)

hypotheses

d)

procedures

42.

A(n) ___________________________ is what you can learn about an object by using your 5 senses.

a)

Qualitative Observation

b)

Quantitative Observation

c)

Inference

d)

Hypothesis

43.

Something that you keep the same in an experiment is called a(n) _________________________.

a)

variable

b)

control

c)

procedure

d)

conclusion

44.

I want to know if low strength bleach, medium strength bleach, or maximum strength bleach will get Heinz ketchup stains out of white T-shirts the best. What is the variable in this experiment?

a)

the type of stain

b)

the strength of the bleach

c)

the color of shirt

d)

the brand of ketchup

45.

The plastic bottle holds two liters of soda. Is this a Qualitative Observation, Quantitative Observation, or an Inference

a)

Qualitative Observation

b)

Quantitative Observation

c)

Inference

46.
Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted.
a)
recognize a problem
b)
test the hypothesis with an experiment
c)
form a hypothesis
d)
draw conclusions  
47.

Susan said, “If I fertilize my geranium plants, then they will have more flowers.”

a)

recognize a problem

b)

test the hypothesis with an experiment

c)

form a hypothesis

d)

draw conclusions

48.

Bob read about growing plants in water. He wanted to know how plants could grow without soil.

a)

coming up with a question

b)

test the hypothesis with an experiment

c)

form a hypothesis

d)

draw conclusions

49.
The independent variable is the ONE thing you _____.
a)
change on purpose
b)
control or keep constant
c)
measure
50.

How many independent variables should you have in an experiment?

a)

two

b)

as many as possible

c)

four

d)

one

51.
Why do we want to test one variable at a time?
a)
Because it is hard to setup a data table with more
b)
To know what is causing the changes. This helps us understand cause and effect.
c)
It is what has always been done
52.

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

a)

independent variable

b)

dependent variable

c)

control variable

53.

What is a constant/control in an experiment?

a)

Things that do not change in a experiment. It's the variable that stays the same. You can have many variables stay the same.

b)

It's the variables that the scientist changes in the experiment

c)

It's the variables that are being measured in an experiment

54.
Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.
a)
If I make a paper airplane from notebook paper, then it will fly faster than construction paper.
b)
Yes.
c)
No.
d)
I think the construction paper air plane will fly faster.
55.

At what temperature did bread mold the slowest?

a)

20

b)

40

c)

60

d)

80

56.

As temperature increases, the time for the bread to mold

a)

Increases

b)

Decreases

57.
If I study for my scientific method test, then I will have a better test score. What is the dependent variable?
a)
Scientific Method
b)
Studying
c)
Independent variable
d)
Test score
58.
What is being kept constant?
a)
ramp height
b)
speed of the ball rolling
c)
type of ball
59.
If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
a)
True
b)
How fast you get to school
c)
Riding a bike or walking
d)
False
60.

Tally of the type of pets owned by students in the class. Which graph type is most appropriate

a)

Bar or column graph

b)

Scatter or line graph

c)

Pie chart

d)

None of these

61.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the dependent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

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