interim assessment 1: the scientific method key
TRANSCRIPT
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.