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