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Chapter Quiz
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1Define science.


2Fill in the blanks in the steps of the Scientific Method.
a.  Make insightful observations
b.  
c.  
d.  Do experiments to gather data
e.  Quantify the data
f.  
g.  Refine hypothesis and retest
h.  Answer the questions and make conclusions


3What two organisms will you study in this week's lab?


4Define hypothesis.


5A good hypothesis identifies the organism or process being investigated, identifies the variables being recorded, and implies how the variables will be compared.
A)True
B)False


6A hypothesis can be proven true.
A)True
B)False


7The heart of science is gathering and analyzing experimental data that leads us to either or the hypothesis we have posed.


8A ________ hypothesis is a type of hypothesis that proposes that no significant differences exist among sets of observations.
A)control
B)alternative
C)null
D)statistical


9Differentiate between treatment and response variables.


10A well-designed experiment does not need replications.
A)True
B)False


11A well-designed experiment includes controls.
A)True
B)False


12How many treatment variables should an experiment test?


13What are experimental replications?


14What are experimental controls?


15What symbol represents the statistical mean?


16In analyzing experimental data, the ________ is the square root of the variance.
A)mean
B)standard deviation
C)average
D)range


17In science, a is a well-substantiated explanation of some aspect of the natural world that usually incorporates many confirmed observational and experimental facts.





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