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(C14)Attractionbetweenunlikeparticles;
unlikeparticlesstickingtogether.(oneword)
alphaparticles
(C29)Heliumnuclei[particles]consistingoftwoprotonsandtwoneutrons.(twowords,plural)
ammeter
(C23)Electricdeviceusedtomeasurecurrent.(oneword)
ampere
(C23)Unitfortherateofflowofchargedparticles.Equalsaflowofonecoulombofchargepersecond.(oneword)
amplitude
(C15)Maximumdisplacementfromzeroofanyperiodicphenomenon.(oneword)
(C15)Theenergycontentofamechanicalwaveischaracterizedbyits(_).(oneword)
aneroidbarometer
(C13)Deviceusingapartiallyevacuatedboxtomeasureatmosphericpressure.(twowords)
angleofincidence
(C15)Anglebetweenalightrayandalineperpendiculartothesurfacethattherayisstriking.(threewords)
angleofrefraction
(C18)Anglebetweenarefractedrayandalineperpendiculartothesurfacethattherayisleaving.(threewords)
antinodalline
(C15)[Line]connectingpointsatwhichtwowavesinterfereconstructivelyattheirmaximumamplitudes.(twowords)
antinode
(C16)Inastandingwave,thelocationsofmaximumandminimumairpressuresiscalleda(n)(_).(oneword)
antiparticle
(C30)Aparticlehavingthesamemassandspinasitsnormalcounterpartbutwithanoppositechargeandmagneticmoment.Whenthisparticleanditsnormalcounterpartcollide,bothareannihilatedandenergyisreleased.(oneword)
Archimedes'
principle
(C14)The[principle]thatanobjectimmersedinafluidisbuoyedupbyaforceequaltotheweightofthefluiddisplacedbytheobject.(twowords,possessive)
areas
(C08)Animaginarylinebetweenaplanetandthesunsweepsoutequal(_)inequalperiodsoftime.(oneword,plural)
armature
(C25)Coilofwirethatproducescurrentinageneratorandrotationinanelectricmotor.(oneword)
atomicnumber
(C29)[Number]ofprotonsinthenucleusofanatom.(twowords)
back-EMF
(C00)Potentialdifferencecreatedbythemotionofthearmatureinanoperatingmotor.(twowords,hyphenated)
barometer
(C00)Deviceformeasuringthepressureoftheatmosphere.(oneword)
baselevel
(C11)A(_)isanarbitrarilydefinedreferencepositionforpotentialengery.Itdependsonthesituationdefined.(twowords)
beat
(C16)Oscillationinamplitudeofcomplexwave.(oneword)
(C16)Twowavesofslightlydifferentfrequenciesproducea(n)(_).(oneword)
Bernoulli'
sprinciple
(C00)hepressureexertedbyafluiddecreasesasitsvelocityincreases.(twowords,possessive)
betaparticles
(C00)High-speedelectron[particles]emittedbyaradioactivenucleus.(twowords,plural)
bimetallicstrip
(C00)Twodissimilarmetalsweldedtogethersothatthermalexpansioncausesthe[strip]tobend.(twowords)
bindingenergy
(C00)[Energy]equivalentofthemassdefectrepresentingtheamountofenergyrequiredtoseparatethenucleusintoindividualnucleons.(twowords)
blackhole
(C00)Collapsedastronomicalobjectofsufficientmasstopreventtheescapeoflight.(twowords)
Boyle'
slaw
(C00)[Law]statingthatthevolumeofafixedmassofgasataconstanttemperaturevariesinverselywiththepressure.(twowords,possessive)
Brahe
(C08)Wasbestknownasanaccurateobserveroftheheavens.(oneword)
branches
(C24)Totalcurrentinaparallelcircuitisthesumofthecurrentsintheseparate(_).(oneword,plural)
breederreactor
(C00)Anuclear[reactor]thatconvertsnonfissionablematerialtofissionablematerialwiththeproductionofenergy.(twowords)
candela
(C00)Unitofluminousintensity.(oneword)
capacitors
(C22)(_)areusedinelectriccircuitstostorecharge.(oneword,plural)
capillaryaction
(C00)An[action]:
riseofaliquidinanarrowtubeduetosurfacetension.(twowords)
Cavendish
(C08)Determinedthenumericalvaluefortheuniversalgravitationalconstant.(oneword)
Celsius
(C00)Scalewith0degreesequaltothefreezingpointofair-saturatedwaterand100degreesequaltotheboilingpointofwateratstandardatmosphericpressure.(oneword)
center
(C07)Theaccelerationisalwaysdirectedtowardthe(_)foranobjectmovinginuniformcircularmotion.(oneword)
centerofcurvature
(C00)Centerofthespherefromwhichasphericalmirroristaken.(threewords)
centripetalacceleration
(C07)[Acceleration]alwaysatrightanglestothevelocityofaparticle.(twowords)
centripetalforce
(C07)[Force]directedtowardthecenterofacircle,keepsparticlesmovinginuniformcircularmotion.(twowords)
Charles'
law
(C00)A[law]statingthatthevolumeofafixedmassofgasatconstantpressurevariesdirectlywiththeabsolutetemperature.(twowords)
chromaticaberration
(C19)Failureofalenstobringallwavelengthsoflighttofocusatthesamepoint.(twowords)
circuitbreaker
(C24)A(n)(_)isanautomaticswitchthatcutsoffthecurrentifthecircuitisoverloaded.(twowords)
coherentlight
(C00)[Light]inwhichallwavesleavingthesourceareinphase.(twowords)
cohesiveforce
(C00)[Force]ofattractionbetweenlikeparticles.(twowords)
complimentarycolors
(C00)Primaryandsecondary[colors]thatwhenaddedproducewhitelight.(twowords)
componentsofavector
(C06)Twoormorevectors(usuallyperpendicular)thatwhenaddedtogether,producetheoriginal[vector].(fourwords)
Comptoneffect
(C00)InteractionofXraysandelectronsastheXraystraversematterresultinginalengtheningoftheX-raywavelength.(twowords)
concave
(C19)Inordertofromavirtualimagewitha(n)(_)mirror,theobjectmustbeplacedbetweenFandthemirror.(oneword)
concurrentforces
(C06)[Forces]actingonthesamepoint.(twowords)
condensation
(C00)Changeofagastoaliquid.(oneword)
conduction
(C21)Theprocessofcharginganeutralbodybytouchingitwithachargedbodyiscalledchargingby(_).(oneword)
conductor
(C21)Materialthroughwhichchargedparticlesmovereadily.(oneword)
ConservationofCharge
(C00)Lawstatingthatelectricchargecanbeneithercreatednordestroyed.(threewords)
ConservationofEnergy
(C00)Lawstatingthatinnon-nuclearchanges,energycanbeneithercreatednordestroyed.(threewords)
ConservationofMass-Energy
(C00)Lawstatingthatthesumofmatterandenergyintheuniverseisaconstant.(fourwords,hyphenated)
ConservationofMomentum
(C00)Lawstatingthatinasystemfreeofexternalforces,thetotalmomentumisalwaysthesame.(threewords)
consonance
(C00)Complexsoundwaveperceivedaschord.(oneword)
constructiveinterference
(C20)Anypointselectedalongalineof(_)isalwaysawholenumberofwavelengthsfartherfromoneslitthantheother.(twowords)
constructively
(C20)InYoung'
sexperiment,wavesinterfere(_)atpointswherecrestsoverlap.(oneword)
controlrods
(C00)Devices([rods])inanuclearreactorusedtoregulatetherateofthenuclearreaction.(twowords,plural)
convectioncurrent
(C00)[Current]causedbymotionofabodyoffluidduetodifferencesindensityresultingfromthermalexpansion.(twowords)
converginglens
(C19)[Lens],thickinthemiddleandthinattheedge,thatcausesparallelraystoconverge.(twowords)
convergingmirror
(C19)Concave[mirror]capableofcausingparallelraystoconverge.(twowords)
cosine
(MATH)Atrigonometricfunctioninwhichtheangleinarighttriangleequalstheadjacentsidedividedbythehypotenuse.(oneword)
coulomb
(C21)Unitofquantityofelectricchargeequaltothechargefoundon6.25x10^18electrons.(oneword)
Coulomb'
(C00)[Law]inwhichF=Kq1q2/d^2,whereKisaconstant,q1andq2arethechargesonthetwoobjects,anddisthedistancebetweenthecharges.(twowords,possessive)
criticalangle
(C18)Minimum[angle]ofincidencethatproducestotalinternalreflection.(twowords)
deBroglieprinciple
(C00)The[principle]thatmaterialparticleshavewavelikecharacteristics;
wavelengthvariesinverselywithmomentum.(twowords)
deceleration
(C04)Negativeacceleration.(oneword)
decibels
(C16)Theloudnessofasoundismeasuredin(_).(oneword,plural)
decrease
(C02)Whenonequantityvariesinverselywithanother,thesecondquantitywill(_)asthefirstincreases.(oneword)
dependent
(LAB)Duringanexperimentthevaluesofonevariablearecarefullychangedwhilethecorrespondingvaluesofthe(_)variablearethenmeasured.(oneword)
derivedunit
(MATH)Acombinationoftwoormorefundamentalunitsofmeasure,suchasspeedandvolume.(twowords)
Destructiveinterference
(C20)(_)occursatthepointwhereacrestmeetsatrough.(twowords)
deuteron
(C00)Nucleusofthehydrogenisotopedeuterium,consistingofoneprotonandoneneutron.(oneword)
difference
(MATH)Theresultofasubtractionoperation.(oneword)
diffracted
(C20)Whenlightfallsontwonarrowslitsthatareclosetogether,