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Scientific Method
Scientific Method
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BIOL 1114 SI - Clarice Huffman
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
The
control
group is left untreated in an experiment.
False
True
2
In a study on effects of caffeine on brain development, what would be the
independent
variable(s)?
all of the above
quantity of caffeine
brain development
none of the above
3
The
control
group is ....
untreated in the experiment
separate from the experimental group
all of the above
a baseline for comparison
4
The
experimental
group may or may not show differences from the
control
group.
True
False
5
The
standardized
variable in an experiment can change.
True
False
6
What is the last step in the scientific method?
make predictions
devise a hypothesis
draw conclusions
collect data
7
The dependent variable is placed on the x-axis of a graph.
False
True
8
The dependent variable affects
change
in the independent variable.
False
True
9
The independent variable is placed on the x-axis of a graph.
False
True
10
A scientific
theory
is a tentative explanation to observations.
False
True
11
You can only effectively test
one
variable in an experiment. All other variables should be standardized.
True
False
12
What is an
independent
variable?
none of the above
variable that is measured
variable that is held constant
variable that is manipulated
13
What operates through our
senses
to the environment?
variables
theory
analysis
observations
14
The dependent variable
depends
on the independent variable.
False
True
15
A scientific
theory
is a broad explanation for a natural phenomenon; collection of facts.
True
False
16
What is a
standardized
variable?
variable that is held constant
variable that is measured
variable that is manipulated
none of the above
17
What is a
hypothesis
?
an educated guess
something you can test experimentally
a tentative explanation to observations
all of the above
18
What is a
dependent
variable?
variable that is manipulated
none of the above
variable that is measured
variable that is held constant
19
What is a
variable
?
something that can be manipulated
all of the above
something that can be measured
a measurable event
20
What is the first step in the scientific method?
make observations
ask questions
draw conclusions
collect data
