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chapter 1 section 3 vocab
vocabulary
9
Biology
10th Grade
08/24/2006

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Term
observation
Definition
act of noting or perceiving objects or events using the senses
Term
hypothesis
Definition
explanation that might be true - statement that can be tested by additional observation or experimentation
Term
prediction
Definition
expected outcom of a test. assuming hypothesis is correct
Term
PH
Definition
relative measure of the hydrogen ion concrentration
Term
experiment
Definition
planned procedure to test a hypothesis
Term
control group
Definition
group in an experiment that receives no experimental treatment
Term
independant variable
Definition
factor that is varied in an experiment
Term
dependant variable
Definition
variable that is measured
Term
theory
Definition
set of related hypotheses that have been tested and confirmed many time by many scientists
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