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Scientific Method
What is Chemistry?Science that deals with the materials of the
universe and the changes that those materials undergo.Matter!
Broken down into several sub-disciplinesBiochemistryOrganic ChemistryInorganic ChemistryAnalytical ChemistryPhysical Chemistry
Scientific ResearchThe process of methodical investigation into
a subject in order to discover new information about the subjectA set of procedures to ensure research is
conducted in the right way
Scientific MethodStatement of the Problem or a questionMake Observations
Gather preliminary data, research the literature
Formulate a HypothesisPossible solutions or explanations for a
problemPerform an experiment
Results must be repeatable!
Scientific Method cont.Analyze Data
Summarize Results of experimentObjective!
Draw ConclusionsHypothesis supported – accepted
Design other experiments to support hypothesis, gain more support
Doesn’t support hypothesis – rejected Modify hypothesis and do more experimentation
What next?Continue process until enough information
accumulated to understand process in question.Theory: set of tested hypotheses that gives and
overall explanation of some part of nature An interpretation. Why nature behaves a certain way.
Eventually we can apply observations to many systems, and a general statement about behavior is made.Law: Summary of observed behavior.
Tells us what happens.