103 Science Words That Start With Y + Quiz


Today’s magic letter is ‘Y’! Yup, we’re diving into the fantastic world of Science Words That Start With Y – and trust me, it’s like a linguistic rollercoaster with yellowcake twists, yawn-inducing turns, and maybe even a little yolked mystery along the way.

So, grab your virtual lab coats, hop on the word wagon, and let’s unravel the Y-marinated wonders of science vocabulary.

From yachts in 4th grade to Ytterbium lasers in forensic jargon, we’ve got it all. Buckle up, word wizards, because ‘Y’ not join the lexical fun?

Science Words That Starts With y

Science Words That Start With Y

4th Grade Science Words With Y:

WordMeaning
YeastMicroscopic fungi
YolkNutrient storage in eggs
YieldAmount produced
YuccaDesert plant
Year365 days
YoungEarly in life
Y-axisVertical axis in a graph
YellowColor
YarnSpun fibers
YamEdible root vegetable
YonderDistant
YawnInvoluntary opening of mouth
YardUnit of length
YachtBoat
YewEvergreen tree
YuckyUnpleasant
YelpSharp cry
YesAffirmative response
YummyDelicious
YouthfulYoung in appearance or spirit

5th Grade Science Words With Y:

WordMeaning
Yield StrengthStress at which a material deforms
YttriumChemical element
Young’s ModulusMeasure of stiffness
Y ChromosomeSex chromosome
Yellow DwarfType of star
YtterbiumRare earth element
YearlyHappening every year
Yeast InfectionFungal infection
Yield PointPoint at which material deforms
Yolk SacEarly embryo structure
Y-linked GeneGene on Y chromosome
YtterbiaRare earth oxide
YottabyteUnit of digital information
Yellow FeverViral disease transmitted by mosquitos
YellowstoneNational Park in the U.S.
YawSide-to-side motion of a vehicle
YawningInvoluntary action of opening mouth wide
YeomanAttendant or servant
YolkedHaving a yolk
YouthYoung age or period of life

6th Grade Science Words With Y:

WordMeaning
Yucca PlantDesert plant
Y-axis InterceptionY-coordinate at the x-axis
YttriaOxide of yttrium
Yersinia PestisBacterium causing plague
Yield CurveGraph of yield vs. maturity
YottajouleUnit of energy
YellowcakeUranium concentrate
YoctosecondExtremely short time unit
Young ScientistEarly career researcher
Yarn CountMeasure of yarn thickness
Yeast CellSingle-celled fungus
Yttrium OxideCompound of yttrium and oxygen
Yolk MembraneMembrane around egg yolk
Y-axis AsymptoteLine approached but not reached
Yellow SoilSoil with high iron content
YardstickMeasure of length
Yew TreeEvergreen tree
Youth ScienceScientific study of youth
Yawning ReflexInvoluntary opening of mouth due to tiredness
YeomanryVolunteer cavalry

7th Grade Science Words With Y:

WordMeaning
Ytterbium LaserLaser using ytterbium as the gain medium
YottameterUnit of length
Yield StressStress at which a material deforms
Yttrium Barium Copper OxideSuperconductor material
Yaw-Pitch-RollAircraft motion axes
Yeast FermentationConversion of sugars into alcohol by yeast
Y-chromosome AnalysisGenetic analysis of the Y chromosome
Yellow PhasePhase of matter
Yolk PlateletComponent of egg
YtterbiteRare mineral
Young’s ExperimentDouble-slit interference experiment
Yield RatioRatio of output to input
Yarn-dyedColored before weaving
Yellow MarrowType of bone marrow
YearlingYoung animal
YouthfulnessState of being young
YieldingnessWillingness to yield or bend
YpsiliformResembling the letter Y
YttriferousContaining yttrium
Yttrium-90Radioactive isotope of yttrium

8th Grade Science Words With Y:

WordMeaning
Yttrium-Aluminium-GarnetCrystal used in lasers
Ytterbium Fiber AmplifierDevice amplifying light using ytterbium
YoctogramUnit of mass
Yellowstone CalderaVolcanic crater in Yellowstone National Park
Young’s Modulus of ElasticityMeasure of material stiffness
Yttrium Iron GarnetMagnetic material
Y-axis SymmetrySymmetry with respect to the y-axis
YottawattUnit of power
YoctoliterUnit of volume
Yield ManagementBusiness strategy for optimizing revenue
YottavoltUnit of electric potential difference
Y-Chromosome HaplogroupsGroups of genes on the Y chromosome
Yarn StrengthMeasure of yarn’s strength
Yellow BiotechnologyBiotechnology using yellow organisms
Yoldia SeaAncient sea
Ytterbium DopedMaterial doped with ytterbium
Yearbook ScienceScientific content in a yearbook
YieldableCapable of producing a yield
Yeast GeneticsStudy of genetics using yeast
YottasecondUnit of time

Science Words Starting With Y (By Subject):

Physics:

WordMeaning
Yarkovsky EffectForce affecting the motion of small objects in space
Young’s ModulusMeasure of stiffness of a material
YoctosecondExtremely short time unit
Ytterbium ClockAtomic clock using ytterbium atoms
YttriumChemical element
YtterbiumRare earth element
YoctometerUnit of length
Yang-Mills TheoryTheory in particle physics
Yield PointPoint at which material deforms
Yttrium GarnetCrystal used in lasers
YottajouleUnit of energy
YoctowattUnit of power
Yb:YAG LaserLaser using ytterbium-doped YAG crystal
Ytterbium-doped Fiber AmplifierDevice amplifying light using ytterbium-doped fiber
Young’s Interference ExperimentExperiment demonstrating wave interference
YottavoltUnit of electric potential difference
YoctogramUnit of mass
YoctoliterUnit of volume

Chemistry:

WordMeaning
YieldAmount produced
YttriumChemical element
YtterbiumRare earth element
YellowcakeConcentrated form of uranium
YtterbiaRare earth oxide
YttriaOxide of yttrium
Ytterbium OxideCompound of yttrium and oxygen
Ytterbium Fiber AmplifierDevice amplifying light using ytterbium
Yield CoefficientMeasure of chemical reaction efficiency
Ytterbium DopingAdding ytterbium to a material
Ytterbium FluorideCompound of ytterbium and fluorine
YottamoleUnit of amount of substance
Yttrium AlloyAlloy containing yttrium
Yttrium OxideCompound of yttrium and oxygen
Yellow PhosphorusAllotrope of phosphorus
Yttrium-90Radioactive isotope of yttrium
YtterbiteRare mineral
Yttrium Barium Copper OxideHigh-temperature superconductor material

Biology:

WordMeaning
YeastMicroscopic fungi
Y ChromosomeSex chromosome
Yellow FeverViral disease transmitted by mosquitos
Yolk SacEarly embryo structure
Yucca PlantDesert plant
Y-linked GeneGene on Y chromosome
YawningInvoluntary action of opening mouth wide
Yolk PlateletComponent of egg
YolkNutrient storage in eggs
Yew TreeEvergreen tree
Yellow MarrowType of bone marrow
Yeast FermentationConversion of sugars into alcohol by yeast
Y-chromosome HaplogroupsGroups of genes on the Y chromosome
Yolk MembraneMembrane around egg yolk
Yersinia PestisBacterium causing plague
Young’s ModulusMeasure of stiffness of a material
YolkedHaving a yolk
Yield StressStress at which a material deforms
YouthfulnessState of being young
YottabyteUnit of digital information

Math:

WordMeaning
Y-axisVertical axis in a graph
Y-interceptPoint where a line crosses the y-axis
YenCurrency used in mathematical problems
YieldReturn on investment in financial mathematics
YoctosecondExtremely short time unit
YottabyteUnit of digital information
YottawattUnit of power
YottameterUnit of length
Y-coordinateVertical coordinate in a graph
YtterbiumPlaceholder in algebraic expressions
YoctogramUnit of mass
YttriumPlaceholder in algebraic expressions
Young’s InequalityInequality in mathematical analysis
YarnGeometric line in textile problems
YawningProbability concept, e.g., chance of yawning within 5 minutes
YardUnit of measure
YottasecondUnit of time
Yield CurveEconomic and financial graph
YottavoltUnit of electric potential difference
YearUsed in interest and annuity calculations

Physical Science:

WordMeaning
YttriumChemical element
YtterbiumRare earth element
Yield StressStress at which a material deforms
Young’s ModulusMeasure of stiffness of a material
YellowcakeConcentrated form of uranium
YtterbiaRare earth oxide
YttriaOxide of yttrium
Ytterbium OxideCompound of yttrium and oxygen
Yield PointPoint at which material deforms
Yttrium OxideCompound of yttrium and oxygen
Yttrium AlloyAlloy containing yttrium
Ytterbium LaserLaser using ytterbium as the gain medium
Yttrium-Aluminium-GarnetCrystal used in lasers
Yttrium Iron GarnetMagnetic material
Yttrium Barium Copper OxideHigh-temperature superconductor material
Ytterbium Fiber AmplifierDevice amplifying light using ytterbium
Yellow PhosphorusAllotrope of phosphorus
Ytterbium DopingAdding ytterbium to a material
Yield CoefficientMeasure of chemical reaction efficiency
Yttrium-90Radioactive isotope of yttrium
Yttrium GarnetCrystal used in lasers
YoctosecondExtremely short time unit
YottajouleUnit of energy
YoctometerUnit of length
YoctowattUnit of power

Scientific Words:

WordMeaning
YttriumChemical element
YtterbiumRare earth element
Yield StrengthStress at which a material deforms
Young’s ModulusMeasure of stiffness of a material
Y-chromosomeSex chromosome
Yolk SacEarly embryo structure
YttriaOxide of yttrium
YtterbiaRare earth oxide
YottabyteUnit of digital information
YellowstoneNational Park in the U.S.

Scientific Words (Continued):

WordMeaning
YawnInvoluntary action of opening mouth wide
YeomanAttendant or servant
YuccaDesert plant
YolkNutrient storage in eggs
YawSide-to-side motion of a vehicle
Y-axis SymmetrySymmetry with respect to the y-axis
Yellow BiotechnologyBiotechnology using yellow organisms
YolkedHaving a yolk
YearlingYoung animal
Yeast GeneticsStudy of genetics using yeast
Yawning ReflexInvoluntary opening of mouth due to tiredness
Youth ScienceScientific study of youth
YottasecondUnit of time
YottameterUnit of length
YttriferousContaining yttrium

Forensic Words with Y:

WordMeaning
Y-STR (Y Chromosome Short Tandem Repeat)Genetic marker used in forensic DNA analysis
Yellow Brown StainStain color often relevant in forensics
Y-chromosome AnalysisExamination of genetic information on the Y chromosome
Yield Sign ImpressionImpression left by a yield sign
Yarn Pattern AnalysisExamination of patterns in yarn
Yaw Marks (in accident reconstruction)Marks indicating vehicle rotation in an accident
Yearly Statistical ReportAnnual report on crime statistics
Yaw (in bloodstain pattern analysis)Directionality of bloodstains in forensic analysis
Y-incision (in autopsies)Incision in the shape of the letter Y in autopsy procedures
Yellowness Index (in colorimetry)Measure of the color yellow in a material
Yield Strength (in materials analysis)Strength of a material at the point of plastic deformation
Yttrium-Aluminium-Garnet LaserLaser used in certain forensic applications
Yoked Control (in experimental design)Control group paired with an experimental group in a study
Young’s Modulus (in materials testing)Measure of material stiffness in forensic analysis
Yolk DNA TestingDNA analysis specific to the yolk of an egg
Yeast Cell TypingTyping of yeast cells in forensic analysis
Yttrium Oxide (in trace evidence)Traces of yttrium oxide used in forensic investigations
Yardstick Measurement (in crime scene measurement)Measurement using a yardstick in forensic work
Youthful Offender AnalysisAnalysis of cases involving youthful offenders
Yttrium-90 in Radioactive TracingUse of yttrium-90 in tracking radioactive substances in forensics

Here are 10 quizzes, science words starting with ‘Y’:

Quiz 1: 4th Grade Science – Y-Words

  1. What is a microscopic fungus commonly used in baking and brewing?
    a) Yolk
    b) Year
    c) Yeast
  2. Which term refers to the color between green and orange?
    a) Yarn
    b) Yellow
    c) Yonder
  3. In a graph, what does the vertical axis represent?
    a) Y-axis
    b) Yawn
    c) Yard

Quiz 2: 5th Grade Science – Yttrium and Beyond

  1. What is the chemical element represented by the symbol Y?
    a) Ytterbium
    b) Yttrium
    c) Yarn
  2. In physics, what does Young’s Modulus measure?
    a) Stiffness
    b) Yield Strength
    c) Yawning
  3. What is a type of star characterized by its color?
    a) Y Chromosome
    b) Yellow Dwarf
    c) Yarn Count

Quiz 3: 6th Grade Science – Yucca and Yottajoule

  1. Which desert plant is often used in landscaping?
    a) Yew Tree
    b) Yucca Plant
    c) Yolk Membrane
  2. What unit is used to measure energy equivalent to one septillion joules?
    a) Yottajoule
    b) Yarn Strength
    c) Yarn-dyed
  3. In geometry, what does the Y-axis asymptote represent?
    a) Y-axis Interception
    b) Yottavolt
    c) Y-axis Asymptote

Quiz 4: 7th Grade Science – Ytterbium Laser and More

  1. Which high-tech device uses ytterbium as the gain medium?
    a) Yarn-dyed
    b) Yottameter
    c) Ytterbium Laser
  2. What is the stress at which a material deforms called?
    a) Ytterbia
    b) Yield Stress
    c) Yttria
  3. Which phase of matter is often associated with the color yellow?
    a) Yawning
    b) Yellow Phase
    c) Yearling

Quiz 5: 8th Grade Science – Yottawatt and Beyond

  1. What unit is used to measure power equal to one septillion watts?
    a) Yarn Strength
    b) Yottawatt
    c) Yoldia Sea
  2. In crystallography, what is Yttrium Iron Garnet used for?
    a) Magnetic material
    b) Y-axis Symmetry
    c) Yttrium Iron Garnet
  3. Which financial strategy aims to optimize revenue?
    a) Yield Strength
    b) Yield Management
    c) Yeast Genetics

Quiz 6: Physics – Yarkovsky Effect and More

  1. What force affects the motion of small objects in space due to sunlight?
    a) Ytterbium Clock
    b) Ytterbium
    c) Yarkovsky Effect
  2. What does the Y-axis represent in a graph?
    a) Yang-Mills Theory
    b) Yttrium Garnet
    c) Y-axis
  3. In atomic clocks, what element is often used in ytterbium-doped form?
    a) Yb:YAG Laser
    b) Yottavolt
    c) Ytterbium-doped Fiber Amplifier

Quiz 7: Chemistry – Yellowcake and Beyond

  1. What is the concentrated form of uranium called?
    a) Ytterbia
    b) Yarn
    c) Yellowcake
  2. Which rare earth element is represented by the symbol Yb?
    a) Yttrium
    b) Yb
    c) Yottamole
  3. What compound results from adding ytterbium to a material?
    a) Ytterbium Fluoride
    b) Yttrium-90
    c) Yttrium Doping

Quiz 8: Biology – Yawning and Yolked

  1. What is the involuntary action of opening the mouth wide called?
    a) Ytterbium Barium Copper Oxide
    b) Yawning
    c) Yolk Platelet
  2. Which part of an egg serves as a nutrient storage?
    a) Y-linked Gene
    b) Yew Tree
    c) Yolk
  3. What is the study of genetics using yeast called?
    a) Ytterbium Laser
    b) Y-Chromosome Haplogroups
    c) Yeast Genetics

Quiz 9: Math – Y-coordinate and Yottabyte

  1. In a graph, what does the vertical coordinate represent?
    a) Y-axis
    b) Y-coordinate
    c) Y-intercept
  2. What is the unit of digital information equal to one septillion bytes?
    a) Yottasecond
    b) Yottabyte
    c) Yottawatt
  3. In financial mathematics, what does “Yield” typically refer to?
    a) Ytterbium
    b) Yield
    c) Yarn

Quiz 10: Physical Science – Yellow Phosphorus and More

  1. Which allotrope of phosphorus is yellow in color?
    a) Ytterbium Fiber Amplifier
    b) Yellow Phosphorus
    c) Ytterbium Doping
  2. What is the measure of material stiffness called?
    a) Young’s Modulus
    b) Yawning Reflex
    c) Yolk Membrane
  3. Which crystal is often used in lasers and exhibits Y-axis symmetry?
    a) Yttrium-Aluminium-Garnet
    b) Yttrium Iron Garnet
    c) Yellow Biotechnology

Feel free to use these quizzes for a fun and engaging exploration of science words starting with ‘Y’!


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Created by Dr. Julia Rossi

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“Out of the frying pan into the fire” is an example of:

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The abbreviation “NASA” stands for:

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Conclusion

And there you have it, fellow explorers of the linguistic cosmos! We’ve traversed the scientific terrain, unraveling the enigma of ‘Y’ in a spectrum ranging from 4th-grade wonder to the intricate world of forensic science.

From yeast to Ytterbium, Y-axis to Y-STR, each word is like a tiny constellation in the vast galaxy of knowledge.

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