WorksheetsNature of Science Review
Total questions: 48
Worksheet time: 46mins
Name
Class
Date
1.
This group in an experiment does not receive the variable from the experimenter.
a)
Independent variable
b)
Dependent variable
c)
Control group
d)
Constant
2.
The container is filled to the 350 mL mark with water.
a)
observation
b)
inference
3.
Why should an experiment be repeated?
a)
to form a hypothesis
b)
to reduce the chance of error
c)
to change controls
d)
to identify the problem
4.
What is the first step in a commonly used scientific method?
a)
digging for artifacts
b)
drawing conclusions
c)
controling variables
d)
recognizing a problem
5.
What is the variable that is measured in an experiment?
a)
independent variable
b)
dependent variable
c)
control variable
d)
constant variable
6.
What is the term for the standard used for comparison?
a)
constant
b)
control
c)
inference
d)
observation
7.
Also known as the "test variable." This is what we choose to do or test.
a)
Independent Variable
b)
Dependent Variable
c)
Control
d)
Constant
8.
This is the outcome of the experiment. We get data and results from this.
a)
Independent Variable
b)
Dependent Variable
c)
Control
d)
Constant
9.
Use the following scenario to answer the question.
The more time you spend studying, the better you will do on the quiz.
The "more time you spend studying" is the...
The more time you spend studying, the better you will do on the quiz.
The "more time you spend studying" is the...
a)
Independent Variable
b)
Dependent Variable
c)
Control
d)
Constant
10.
A judgement based on what has been observed in an experiment is...
a)
an experiment
b)
an observation
c)
an inference
d)
a conclusion
11.
What is an experiment ?
a)
Test that are designed to confirm their hypothesis
b)
The result of these test may support their hypothesis or they may show that the original guess was wrong
c)
Observations and research to come up with possible awnsers
to their questions
to their questions
d)
all the answers
12.
What is another word for hypothesis?
a)
evidence
b)
graph
c)
investigation
d)
prediction
13.
A testable question intended to answer a specific question is a(n)
a)
observation
b)
hypothesis
c)
theory
d)
law
14.
When you plan a scientific investigation, what is the best way to record the procedure you follow?
a)
Write down a few quick notes
b)
Remember the procedure, but do not write it down so others cannot copy you
c)
Write out a procedure, but keep it to yourself
d)
Write out the procedure, so someone else can follow it.
15.
How much has the anole increased its mass after 12 days?
a)
2.6 grams
b)
0.2 grams
c)
12 grams
d)
2 grams
16.
What does the line in this graph indicate?
a)
increase in mass over a certain number of years
b)
increase in mass over a certain number of days
c)
decrease in mass over a certain number of days
d)
mass of animals eaten by an anole
17.
How much of Chemical X did the control group receive?
a)
0 mL
b)
10 mL
c)
15 mL
d)
20 mL
18.
Which is the dependent variable in Amelia's experiment?
a)
the number of bean plants in each group
b)
the amount of water given daily to each plant
c)
the height of each bean plant
d)
the amount of fertilizer given to each group of bean plants
19.
Which statement is an inference about this picture?
a)
The van is tan.
b)
The van ran into KFC.
c)
The driver was hungry.
d)
An ambulance may be on the way.
20.
Replication is described as...
a)
the action of someone else reproducing an experiment
b)
the action of copying or reproducing something.
c)
the act of doing an experiment at the park
d)
the act of combining items to become one item
21.
Repetition is described as...
a)
the action of repeating something that has already been said or written.
b)
the action of taking many items and becoming one
c)
the act of copying
d)
the act of using more than one variable in an experiment
22.
During which step of the Scientific Method do you propose what you think will happen?
a)
Ask a question
b)
Experiment
c)
Hypothesis
d)
Conclusion
23.
This is the manipulated variable, or the variable you control.
a)
Independent
b)
Dependent
24.
This is the responding variable, or the variable you don't control.
a)
Independent
b)
Dependent
25.
What is a series of carefully planned steps used to test a hypothesis?
a)
a constant
b)
an observation
c)
a conclusion
d)
an experiment
26.
Hearing, sight, taste and smell all are used for which aspects of science?
a)
hypothesis
b)
laws
c)
observations
d)
theories
27.
Use the following scenario to answer the question.
The more I practice the trumpet, the better I will become.
"The better I will become" is the...
The more I practice the trumpet, the better I will become.
"The better I will become" is the...
a)
Independent Variable
b)
Dependent Variable
c)
Control
d)
Constant
28.
Dr. Smith wants to examine whether a new drug increases the maze running performance of older rats. Dr. Smith teaches two groups of older rats to find a piece of tasty rat chow in the maze. One group of rats is given the new drug while they are learning the maze. The second group is not given the drug. One week after having learned the maze he retests the rats and records how long it takes them to find the rat chow.
What is the independent variable?
What is the independent variable?
a)
The new drug
b)
The tasty rat chow
c)
How long it takes the rats to find the food
d)
The second group not given the drugs
29.
Dr. Smith wants to examine whether a new drug increases the maze running performance of older rats. Dr. Smith teaches two groups of older rats to find a piece of tasty rat chow in the maze. One group of rats is given the new drug while they are learning the maze. The second group is not given the drug. One week after having learned the maze he retests the rats and records how long it takes them to find the rat chow.
What is the dependent variable?
What is the dependent variable?
a)
The new drug
b)
The tasty rat chow
c)
How long it takes the rats to find the food
d)
The second group not given the drugs
30.
Dr. Smith wants to examine whether a new drug increases the maze running performance of older rats. Dr. Smith teaches two groups of older rats to find a piece of tasty rat chow in the maze. One group of rats is given the new drug while they are learning the maze. The second group is not given the drug. One week after having learned the maze he retests the rats and records how long it takes them to find the rat chow.
What is the control?
What is the control?
a)
The new drug
b)
The tasty rat chow
c)
How long it takes the rats to find the food
d)
The second group not given the drugs
31.
How many variables should be tested at one time in a scientific investigation?
a)
none
b)
one
c)
two
d)
three
32.
Information from which a conclusion can be drawn or a prediction can be made are called
a)
tools
b)
procedures
c)
details
d)
data
33.
A valid scientific investigation must be able to be
a)
replicated
b)
graphed
c)
predicted
d)
observed
34.
A scientific conclusion is based on
a)
variables and experiments
b)
observations and questions
c)
facts and observations
d)
tools and evidence
35.
You are testing to see if music helps plants grow better. You divide the plants into four groups. What is group D?
a)
the model group
b)
the control group
c)
the population group
d)
the experimental group
36.
What are the six steps of the scientific method?
a)
question, research, hypothesis, analyze data, experiment, question
b)
question, hypothesis, research, conclusion, experiment, analyze data
c)
question, research, hypothesis, experiment, analyze data, conclusion
37.
Why should an experiment be repeated?
a)
to form a hypothesis
b)
to reduce the chance of error
c)
to change controls
d)
to identify the problem
38.
Which one of the following steps is NOT a part of the scientific method?
a)
Perform experiments to test the predictions.
b)
Repeat the experiments until the answers match the predictions.
c)
Formulate a general rule based on the predictions and experimental outcome.
d)
Make a guess about the answer to a problem and predict its consequences.
39.
A scientific conclusion is based on
a)
variables and experiments
b)
observations and questions
c)
facts and observations
d)
tools and evidence
40.
A valid scientific investigation must be able to be
a)
replicated
b)
graphed
c)
predicted
d)
observed
41.
When another group of scientists repeat YOUR experiment, it is called
a)
replication
b)
repetition
c)
plagiarism
42.
Replication is described as...
a)
the action of someone else reproducing an experiment
b)
the action of copying or reproducing something.
c)
the act of doing an experiment at the park
d)
the act of combining items to become one item
43.
Repetition is described as...
a)
the action of repeating something that has already been said or written.
b)
the action of taking many items and becoming one
c)
the act of copying
d)
the act of using more than one variable in an experiment
44.
Why should you keep all variables constant besides the independent variable?
a)
You wouldn't be able to determine which variable is having the effect on your results
b)
You would get confused and measure something other than your dependent variable
c)
It isn't important to keep other variables constant
d)
None of the above
45.
At the salad bar, the grocery store charges $5.99 for each half pound you buy. Which variable is dependent?
a)
weight of the salad
b)
total cost of the salad
c)
cost of salad per pound
d)
$5.99
46.
I want to see if putting fertilizer on my sunflower plants helps them grow taller. What is the independent variable?
a)
amount of sunlight
b)
amount of water
c)
fertilizer
d)
how tall they grow
47.
I want to see if putting fertilizer on my sunflower plants helps them grow taller. What is the dependent variable?
a)
amount of sunlight
b)
amount of water
c)
fertilizer
d)
how tall they grow
48.
I want to see if putting fertilizer on my sunflower plants helps them grow taller. What is a control variable?
a)
how tall they grow
b)
amount of water
c)
fertilizer
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