Iowa State University



Supplemental InstructionIowa State UniversityLeader:Josh B.Course:BIOL 101Instructor:Dr. KowalkoDate:8/28/2017Scientific Method – Write the five steps of the scientific method in order. Then, match each example or definition with the step in the scientific method that it fits best with:Test ______Prediction ______Observation ______Hypothesis ______Conclusion ______What will happen if hypothesis is correct under specific conditionsAn experimentNoticeable patterns in natureSummarized observation with a possible explanationStates testable predictionsNatural cause/effect relationshipsA scientific theoryExperimentation – Identify what is wrong with the statements below. Change the statements so that they represent characteristics of a good experiment:Use test conditions that can’t be reproduced (so that no one can steal your work)Only one group is necessary in an experiment – the group that receives the treatment that you are testIt’s fine if only one or two subjects are tested on in experiment, as long as the findings from those subjects support your hypothesisIt’s good to have bias in an experimentScientific Theory – List at least three characteristics of a scientific theory:Basic matter of life – Select the lettered answer that best fits each description:_____ exist in energy levels/shells_____ have a positive charge_____ each atom of an element has the same number of these_____ have no charge_____ exist in nucleus of atom (2)_____ determines atomic number_____ have a negative charge_____ contribute to atomic mass (2)_____ determine reactivity (bonding)AtomProtonNeutronElectron5113912120015??29085698318500Bonding – Name each type of bond40913052019300016573516510??2111375242570- - - - -0- - - - -3943352432050022726651173480H00H3255010259715O00O31375351504953738880844551426210619125O00O188023539560513087355099052223135162560H00H22225001428750018802351062355002223135117284500396494040005H00H5883275212725Cl-Cl-576897590170362450322105200553783414022705880735140335ClCl3737610166370H00H3859530184785003248660679342?0?3599234106044005076190562191Na+0Na+4966335330835 ................
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