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