Name:________________________________________Class:______________ Date:_________________

InterimAssessment1:TheScientificMethodKEY 1. Whatisthescientificmethod?

a.takingasciencetestinschool b.whenyoucanchangehowsmartyouare c.thesetofstepsscientistsfollowtotesttheirideas d.somethingthatcanbeproven

2.Apredictionaboutwhatyouthinkwillhappeninanexperimentiscalleda… a.hypothesis

b.variable

c.conclusion

d.test

3.Somethingthatyoukeepthesameinanexperimentiscalleda…

a. variableb. constantc. procedured. conclusion

4.Theinformationyoucollectwhiledoingyourexperimentiscalled

a.conclusionsb.datac.hypothesesd.procedures

Answerquestions5-9basedonthefollowingparagraph: (1)Youwakeupinthemorning,andnoticethatthegroundiswet.(2)Yousaytoyourself,“Diditrainlastnight?”(3)You’regladitrained.(4)Whenyouseecloudsinthesky,youpredictthatitwillrainagainlatertoday.(5)Attheendoftheday,youmeasurehowmanyinchesitrained,andmakeagraph. 5.Sentence(1)isanexampleof

a.observationb.questionc.hypothesis

d.prediction

Shirt DryingTime(Minutes)A 15B 25C 35

Ipredictthatkeepingbreadinawarmplacecausesmoldtogrow.

6.Sentence(2)isanexampleof

a.observationb.questionc.experimentd.conclusion

7.Sentence(3)isanexampleof

a.experimentb.opinionc.constantd.fact

8.Sentence(4)isanexampleof a.experiment

b.questionc.hypothesisd.conclusion

9.Sentence(5)isanexampleof a.question b.hypothesis c.analyzingdata d.creatingvariables Answerquestions10-14usingtheinformationbelow:Ms.Childnoticedthatthestudentsinherclasshaveverydifferenteyecolors.Shereadinabookthatbrownisthemostcommoneyecoloraroundtheworld.Shewantedtoknow,whatistheeffectofeyecoloronstudentsacademicperformance?10.WhatwastheIV?EyeColor

11.WhatwastheDV?AcademicPerformance12.Whatwouldbeagoodhypothesisforthisexperiment?Ifstudentshavegreeneyes,thentheywillreceivehighergradesontheirassessments.

Diditrainlastnight?

Ipredictitwillrainagainlatertoday

I’mgladit

Name:________________________________________Class:______________ Date:_________________

Afterwritingahypothesis,Ms.Childlookedateverystudents’eyesintheclass,andcreatedthisdatatable:

DataTableEyeColor StudentsPerformanceoutof100pointsBlue 80Brown 70Green 30

13.Whatcanyoulearnfromtheseresults?Thestudentswhohaveblueeyesarereceivinghighergradesontheirassessment.

Answerquestions14-20basedonthefollowingparagraph:Ihave3puppiesfromthesamemother,Spot,Rusty,andRex.Theyarethesamesizeandweight.Theygetthesamefood,water,andexerciseeveryday.Ireadthatvitaminsprovideessentialnutrientsthathelphumansgrowstronger.Iwanttofindoutiffeedingdogsvitaminsalsohelpsthemgrowbigger.Idon’tgiveSpotanyvitamins.IgiveRustyonevitaminpilladay,andIgiveRextwopillsaday.Iweighthepuppiesonceaweektoseeifthere’sadifference.

Spot Rusty Rex14.Whatistheindependentvariableinthisexperiment?

a.Numberofvitaminsb.Themotherdogc.Waterd.Theweightofthedogs

15.Whatisthedependentvariable?a.Numberofvitaminsb.Themotherdogc.Waterd.Theweightofthedogs

16.Thefoodisanexampleofwhat?a.observationb.constantc.variabled.question

17.Whichofthefollowingwouldbeagoodtestablequestionforthisexperiment?

a.Howbigdodogsgrow?b.Whatistheeffectoftheheightofthedogonhowmanyvitaminstheyeat?c.Whatistheeffectofthenumberofvitaminsonthesizeofthedog?d.Whatisthevitaminsandheightofthedog?

18.Writeahypothesisforthevitaminexperiment.Supportyourpredictionwithbackgroundinformation.IfIgiveRextwovitamins,thenhewillgrowbigger,becausethevitaminswillhelpstrengthenbonesandincreasehismusclemass.19.Bytheendoftheexperiment,Spotgainedonepound,Rustygainedthreepounds,andRexgrewfourpounds.Createadatatableofyourresultsbelow.

DogName NumberofVitaminsGiven WeightGained

Spot None OnePound

Rusty One ThreePounds

Rex Two FourPounds

20.Whatshouldtheconclusionbe?

a.Vitaminsmakedogsgrowbiggerb.Dogfoodmakesdogsgrowbiggerc.Vitaminsdonotmakedogsgrowbiggerd.Dogsneedwatertogrow

Name:________________________________________Class:______________ Date:_________________

Baseyouranswerstoquestion21-26ontheinformationanddiagrambelow.Thediagramshowsanexperimenttotesthowtallseedscangrowunderdifferentconditions.Fourbeanseedswereplacedineachoffourpots.Eachpotcontains100cm3ofsoil.Allfourpotswereplacedonthesamesunnywindow.Adifferentamountofwaterwasplacedineachpot.

21.Whatistheindependentvariable?AmountofWater

22.Whatisthedependentvariable?PlantHeight

23.Identifytwofactorsshowninthediagramthatarekeptconstant.

(1)Amountofsoil

(2)Numberofseeds

24.Whatisthetestablequestion?Doestheamountofwatergiventoplantsaffecthowtalltheygrow?

PlantBackgroundInformation

Unlikeanimals,plantsmaketheirownfoodcalledglucose.Inordertomaketheirownfoodtheyneedsunlight,carbondioxide,water,andnutrients.Waterandnutrientsgettakeninthroughtheplants’roots.Ifthereisn’tenoughwater,plantswillnotbeabletogetenoughnutrients.Butifthereistoomuchwater,itcouldwashawaythenutrients.

25.Writeahypothesisforthisexperiment.Supportyourhypothesiswithevidencefromthebackgroundinformation. Ifplantsaregiven40mLofwater,thentheywillnotgrowastall,becausetheirnutrientsarebeingwashedaway.

Belowaretheresultsafter4weeks:

26.Whatcanyouconcludeabouttheamountofwaterandhowtallplantscangrow?Useevidencefromthediagramstosupportyouranswer. Plantsthataregiven40mLofwatergrewthetallest,becausetheywerereceivingjustenoughwatertohelpthemsurvive.