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Scientific Method Flashcards | StudBud
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Scientific Method
Scientific Method
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#hypothesis #variables
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1
A hypothesis is
A proven statement
A concluding statement
a definite answer to a given problem.
a testable possible explanation of an observation
2
Qualitative data uses
pictures
words
both a and b
descriptions
3
Scientists usually design experiments
with a good idea of the expected experimental results
all of the above
based on wild guesses
in order to develop new laboratory procedures
4
In an experiment, the group that does
NOT
get the special treatment is
independent variable
sad
dependent variable
control
5
A unifying explanation for a broad range of observations is a
prediction
theory
controlled experiment
hypothesis
6
A hypothesis that does not explain an observation
None of the above
is rejected
often predicts a different observation.
is known as an inaccurate forecast.
7
which is the manipulated variable in an experiment?
Independent variable
Dependent variable
Control
8
A scientist noticed that in acidic pond water some salamanders developed with curved spines.
That is a hypothesis
that is an observation
that is a theory
that is a control
9
How do we gather empirical evidence?
guess
by playing video games
make observations and collect data
ask friends
10
What is quantitative data?
numerical (numbers)
a color
a model
a description
11
Which is the variable being observed or measured in an experiment?
Independent variable
Dependent variable
Control
12
Scientific hypotheses are most often tested by the process of
experimenting
inferring
communicating
analyzing data
13
The word theory used in a scientific sense means
an absolute scientific certainty.
a highly tested, generally accepted principle.
a guess made with very little knowledge to support it.
14
An educated guess is also referred to as?
Hypothesis
Theory
Observation
15
Scientists share their research results by
avoiding conflicts of interest
publishing in scientific journals
both a and b
presenting at scientific meetings
