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