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20 Cards in this Set

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Scientific method
organized approach to learn how the natural world works
Methods of science have 2 principals
1 Events in the natural world have natural causes
2 Uniformity
Uniformity
idea that the fundamental laws of nature operate the same way at all places and at all times
Steps to the scientific method
observation
form a hypothesis
prediction
experiment
peer sharing
Observing
the act of perceiving a natural occurrence that causes someone to pose a question
Hypothesis
proposed explanation for the way a particular aspect of the natural world functions
prediction
statement that forecasts what would happen in a test situation if the hypothesis is true
experiment
test a hypothesis
set up an experiment
perform an experiment
control group
experimental group
indep and dep variable
controlled experiment
compares an experimental group and a control group and has one variable
control group
normal standard which you can compare against
experimental group
same as the control group except the independent variable is different
independent variable
variable that is manipulated
manipulated variable
dependent variable
variable that is affected by the indep variable
responding variable
blind control group
bilogist is unaware of the experimental and control group
quantitative data
data measured in numbers
the dependent variable is usually measured in data
drawing conclusions
one can disprove not prove a hypothesis
inference
conclusion made on the basis of facts andpervious knowledge rather than on direct observation
theory
when a set of related hypothesis are true many times
Research papers
introduction
methods and materials
results
discussion
peer review expersts anonymously review