scientific method review answer key - judypouncey...
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ScientificMethodReviewAnswerKey
1. Whendoingascientificexperiment,thecontrolisthestandard,thepartthatdoesn'tchangeandthevariableisthepartthatmaychange.
2. Anobservationthatdoesnotinvolvemeasurementsornumbersisa
a. quantitativeobservation
b. qualitativeobservation
c. qualityobservation
d. qualitiveobservation
3. Aprocedurecarriedouttogatherdataaboutanobjectoreventisa/an
a. inquiry
b. hypothesis
c. investigation
d. experiment
4. Adecisionyoumakebasedoninformationisa
a. conclusion
b. hypothesis
c. investigation
d. evidence
5. Atestablepossibleanswertoascientificquestionisa
a. hypothesis
b. conclusion
c. evidence
d. criteria
6. Anobservationthatinvolvesnumbersormeasurementsisa
a. qualitativeobservation
b. quantitativeobservation
c. qualityobservation
d. qualitiveobservation
7. Thepartofaninvestigationthatremainsthesameisthe
a. uncontrolledvariable
b. independentvariable
c. dependentvariable
d. controlvariable
8. Whatisthedefinitionofahypothesis?
a. aneducatedguess
b. yourfriend'sanswer
c. thenameofanarticle
d. anobservation
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9. Writethe6stepstothescientificmethod:askaquestionresearchthetopicmakeahypothesistestthehypothesisanalyzethedatareporttheconclusions
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10. Writetheletteronthelinethatrepresentseachpartofthemicroscope.
GStageDNosepieceJBaseEObjectiveLensesAEyepieceFStageClipHDiaphragmCArmKMirrorBAdjustmentKnobsILightSource
11. Fluidvolumeismeasuredbythismetricunit:
a. quarts
b. cups
c. liters
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12. Apersonalopinionwhichcanaffectanobservation.
a. scientificlaw
b. bias
c. variable
d. hypothesis
13. AScientistisinvestigatinganewtreatmentforadiseasethataffectsthousandsofpeople.Manypeoplewiththisdiseasevolunteertobepartofthestudy.Whichofthefollowingisanethicalconcernthatthescientistmustaddressbeoreconductingthestudy?
a. Thescientistmustensurethatthetreatmentwillbeeffective.
b. Thescientistmustensurethatthestudy'sresultswillnotbesharedwithotherscientists.
c. Thescientistmustinformthevolunteersaboutthepotentialdangersofparticipatinginthestudy.
d. Thescientistmustdemonstratethetreatmentonhimorherself.
14. WhatistheDependentVariable?
a. Partoftheexperimentthatremainsthesame
b. ThePartthatischanged
c. Thethingthatisalwaysthesameinallexperiments
d. ThePartthat'schangedasaresult
15. Thisisthefactorinanexperimentthatcanbemanipulatedbyheexperimenter:
a. theindependentvariable
b. theconstant
c. hypothesis
d. thedependentvariable
16. A(n)isanexplanationormodelbackedbyresultsobtainedfrommanyexperiments.
a. scientificlaw
b. scientifictheory
c. occam'srazor
d. Rorshacktest
17. A(n)isarulethatdescribesthebehaviorofsomethinginnature.
a. scientifictheory
b. scientificlaw
c. occam'srazor
d. Netwon'stheoryofrelativity
18. Whichofthefollowingisaquantitativeobservation?
a. Mywaistsizeis31inches.
b. Myeyesareblue.
c. Theflameisflickers.
d. Chemistryisaneasysubject.
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19. Basedonthehypothesisbelow,whatistheindependentvariable?
Ifcarrotsareeatendailythentherewillbeanimprovementinvision
a. improvementinvision
b. amountofcarrotseaten
20. Aliwantstofindouthowlongittakeshisbabysistertofallasleep.Variablesinhisexperimentinclude:
a. timeofday
b. noiselevels
c. bothaandb
d. noneoftheabove
21. Nekiawonderswhichofherfriendscanrunthefastest.Shedecidesthatarace,startingatthemapletreeandendingattheoaktree,willanswerherquestion.Whichvariable(s)issheplanningtocontrol?
a. time
b. distance
c. bothaandb
d. noneoftheabove
22. Colbywantstolearnmoreaboutthefeedinghabitsofants.
WhatstepsshouldColbytakeinordertobeststudythepatternsofants?
a. formahypothesis,conductanexperiment,recorddata,makeaconclusion
b. conductanexperiment,formanhypothesis,makeaconclusion,recorddata
c. formahypothesis,recorddata,conductanexperiment,makeaconclusion
d. recorddata,formahypothesis,makesaconclusion,conductanexperiment
23. Foranexperiment,ascientistputlimeatthebaseoftomatoplantAandbakingsodaatthebaseoftomatoplantB.Shethensealedtheplantsinplasticbags.TomatoplantAeventuallydied,andtomatoplantBstayedhealthy.
Whatwasthedependentvariableinthisexperiment?
a. thetypesofplantgrownforthetest
b. theresponseoftheplantstoeachsubstance
c. thesubstanceatthebaseofeachplant
d. theplasticbagswrappedaroundeachplant
24. TheIndependentVariable:
a. DependsontheDependentVariable
b. Hasnothingtodowiththeexperiment
c. istheVariablethatwewouldbetestinginanexperiment
d. BothAandC
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25. Inalaboratoryexperiment,thisisthestandardgroupagainstwhichtheresultsarecompared:
a. experimentalgroup
b. dependentvariable
c. controlgroup
d. independentvariable
e. developmentgroup
26. JacksonandMiawanttodoanexperimenttodeterminehowthetemperatureofwateraffectshowmuchsaltcanbedissolvedinit.
Inwhatordershouldtheyperformthefollowingsteps?
Step1:Withateacher'shelp,bringthewaterinoneofthebeakerstotheboilingpoint.
Step2:Pourequalamountsofwaterintotwoidenticalbeakers.
Step3:Recordhowmanyhalf-teaspoonsofsaltarecompletelydissolvedineachbeaker.
Step4:Graduallyputsaltintothewaterofeachbeaker,ahalf-teaspoonatatime.
a. 4213
b. 2143
c. 2413
d. 1243
27. Thesuggestedexplanationforanobservationis:
a. theindependentvariable
b. theconstant
c. hypothesis
d. thedependentvariable
28. Thisisthefactorinanexperimentcanchangeifotherfactorsarechanged:
a. theindependentvariable
b. theconstant
c. hypothesis
d. thedependentvariable
29. Thisisusedinanexperimenttoshowthattheresultsofanexperimentareactuallyaresultoftheconditionbeingtested:
a. theindependentvariable
b. thecontrol
c. hypothesis
d. thedependentvariable
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30. Thisisusedinanexperimenttoshowthattheresultsofanexperimentareactuallyaresultoftheconditionbeingtested:
a. theindependentvariable
b. thecontrol
c. hypothesis
d. thedependentvariable
31. Thedifferentfactorsthatcanchangeinanexperimentarecalled:
a. constants
b. variables
c. anindependentvariable
d. controls
32. Ahypothesisisaneducatedguessthatmustbe
a. testable
b. proventrue.
c. madeintoatheory.
d. madeintoalaw.
33. Scientistsusetheirdatatomakeandtocommunicatetheresultsofanexperiment.
a. charts,experiments
b. charts,graphs
c. circles,graphs
d. squares,graphs
34. Anessentialfeatureofeverygoodexperimentisthatitshould
a. useacontrol.
b. testasinglevariable.
c. graphdata.
d. Both(a)and(b)
35. Whichtoolshouldyouusetomeasurethedistancearoundapumpkin?
a. graduatedcylinder
b. ruler
c. scale
d. measuringtape
36. Whichtoolwouldyouusetomeasurethewidthofyourclassroom?
a. graduatedcylinder
b. meterstick
c. springscale
d. balance
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37. Agraduatedcylinderisusedtomeasure
a. mass
b. volume
c. weight
d. density
38. Atoolthatmeasuresanobject'smassisa
a. microscope
b. graduatedcylinder
c. beaker
d. balance
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39. Ifthetemperaturegoesup8degreesCelsius,whatwillthetemperaturebe?
a. 80degrees
b. 162degrees
c. 170degrees
d. 82degrees
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40. WhatisthetemperatureoftheroomindegreesCelsius?
a. 42
b. -4
c. -42
d. 108
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41. Javieriscreatingamoonphasediagramaspartofanastronomyproject.Hedrewanimageofthemoonshownbelow.WhichofthefollowingbestdescribesthemoonphasethatcouldberepresentedbyJavier'sdrawing?
a. New
b. Full
c. Quarter
d. Gibbous
42. AsviewedfromtheEarth,themoonappearsintheskyasshownbelow.Whichbestdescribesthephaseofthemoon?
a. Crescent
b. Quarter
c. Full
d. New
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43. Whatisrepresentedbythediagrambelow?
a. neaptide
b. springtide
c. solareclipse
d. lunareclipse
44. ThediagrambelowshowstherelativepositionsoftheSun,Moon,andEarth.WhichMoonimagebestrepresentsthephaseoftheMoonwhenviewedfromtheEarthbasedonthediagram?
a.
b.
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c.
d.
45. WhichstatementbestdescribestidesexperiencedonEarthwhentheSun,Moon,andEartharepositionedasshowninthediagram?
a. maximumhightides,minimumlowtides
b. maximumhightides,maximumlowtides
c. minimumhightides,maximumlowtides
d. minimumhightides,minimumlowtides
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46. LookatthetidalbulgeonthesideoftheEarth(B)nearE.Whichstatementbestdescribesthetideoccurringhere?
a. ebbtide
b. lowtide
c. hightide
d. slacktide
47. Labelthephasesofthemoononthediagrambelow.
Fromtopgoingclockwise:thirdquarter,waninggibbous,fullmoon,waxinggibbous,firstquarter,waxingcrescent,newmoon,waningcrescent
48. Whatisatoolthatisusedtomagnify,orenlargeanobject'sfeatures.
a. HandLens
b. Dropper
c. Balance
d. SpringScale
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49. Aspringscalemeasuresnewtons
50. Whatisthetoolyouusetomeasurecapacity?
a. springscale
b. balancescale
c. graduatedcylinder
d. liter
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51. Usethegraphicorganizertoarrangethefollowingstepsofthescientificmethodinthecorrectorder.
ConductExperimentReportResultsFormHypothesisAnalyzeResultsandDrawConclusionsAskQuestionDoResearchandMakeObservations
AskQuestionDoResearchandMakeObservationsFormHypothesisConductExperimentAnalyzeResultsandDrawConclusionsReportResults
52. ThePowerballLotterywas130millionlastweek.Howdoyouwrite130millioninscientificnotation?
1.3x108
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53. Whenyouwanttoobservereally,reallysmallorganismsyouusea:
microscope
54. AccordingtoTimeMagazine,thereare19.7millionpeopleinmanufacturingjobsintheUnitedStates.Howdoyouwrite19.7millioninscientificnotation?
55. Toolsforrefractinglightarecalled
a. lens
b. prism
c. laser
56. isatoolthatmagnifiesobjectsthatarefaraway.
a. iron
b. television
c. glasses
d. telescope
57. Whatshouldyoudoifaglassbreaks?
a. Cleanitupbeforetheteachercomes
b. Runaway
c. Telltheteacherrightaway
d. Leaveitthereandfinishworking
58. Whatisthemaindifferencebetweenqualitiveandquantitiveobservations?
a. Thereisnodifference.
b. Quantitiveisexpressedinnumbers,andqualitivedescribescharacteristics.
c. Quantitivedescribescharacteristics,andqualitiveisexpressedinnumbers
59. InstrumentusedtomeasurerelativehumidityPsychrometer
60. Yousitdownatyoursciencelabtableandfindabeakerisbrokenwithliquidspillingout.Whatshouldyoudofirst?
a. Cleanupthemess
b. Tellyourlabpartner
c. Forgetaboutit
d. Tellateacherabouttheproblem
61. Thearmisusedtosafelytransportthemicroscopefromoneplacetoanother.
62. Theeyepieceiswhereyoulookthroughwithyoureyeandismagnificationof10X.
63. Forcepsaregoodforholdingbackskinorpickingupthings.
64. Agraduatedcylinderisfilledwithwatertothe24-mLmark.Whenarockisplacedinthecylinder,thelevelrisestothe53-mLmark.Whatisthevolumeoftherock?
a. 2.2mL
b. 77mL
c. 29mL
d. .45mL
1.97x107
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65. Whatshouldyoudoifsomethingspillsorbreaks?
a. cleanup
b. tellyourfriend
c. telltheteacher
66. Adevicethatmeasuresairpressure,theweightofthecolumnofairthatextendsfromtheinstrumenttothetopoftheatmosphere.
a. thermometer
b. barometer
c. telescope
d. Celsiusscale
67. Aninstrumentusedtofindwinddirection,andhasaclothbagthatisnarrowatoneendandopenatbothendsis:
a. windnave
b. windsock
c. anemometer
d. barometer
68. Whereshouldyoudisposeofwastesolids?
a. Intheregulardustbin.
b. Inthesink,beingcarefultorinsethesinkthoroughly.
c. Inthecorrectbinorbowlasdirectedbytheteacher,NEVERINTHESINK.
69. UnderwhichcircumstancesarepupilsallowedtousetheBunsen?
a. 'Roaringflame'(airholefullyopen)and'heatingliquids'flame(airholehalfopen).
b. Onthe'yellowsafety'flame(airholeclosed)orthe'heatingliquids'flame(airholehalfopen).
c. Noneatall.