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.