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Scientific Processes
Test Description: Answer the review questions.
Instructions: Answer all questions to get your test result.
1) What is the first step in the scientific process?
A
observation
B
hypothesis
C
asking a question
D
experimentation
2) Which of these describes a quantitative observation?
A
an observation of the relative size of something
B
an observation that has a number associated with it
C
an observation of an effect the phenomenon has
D
an observation of the phenomenon itself.
3) A hypothesis is
A
a series of connected observations
B
a question based on observations
C
a guess based on some knowledge
D
much the same thing as a theory
4) What always affects measurement error in an experiment?
A
misreading the instrument
B
instrument precision
C
variability in nature
D
investigator bias
5) The y-axis of a graph gives the units for the
A
control variable
B
independent variable
C
dependent variable
D
measurement error
6) The best fit line
A
minimizes the distance from the points to the line
B
connects every point in a graph
C
passes through the cloud of points, missing every one.
D
connects the first and last points on the x-axis
7) What is the mean of a set of data?
A
the average of all of the data
B
none of the above
C
the most frequently appear number.
D
the middle value in the data set
8) In a scientific study, a conclusion can
A
ask a question
B
state a theory
C
support a hypothesis
D
prove a hypothesis
9) What is the median in a set of data?
A
None of the above
B
The middle value
C
The most frequently occuring number
D
The average
10) Observation, question, hypothesis, ______________, ________________
A
none of these
B
experiment, conclusion
C
conclusion, experiment
D
conclusion, data
*select an answer for all questions
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