101 Science Words That Start With J + Quiz


Hey there science enthusiasts and word wanderers! Ready to embark on a lexical journey where J stands for not just “Jump” but a whole galaxy of intriguing scientific terms? Buckle up as we delve into the marvelous world of Science Words That Start With J.

Forget about jigsaw puzzles; we’re putting together a linguistic puzzle with Jellyfish, Jet propulsion, and maybe even a touch of Jurassic magic. From the juvenile wonders to the jet-setting realms of physics, we’ve got J-words that will make your brain do a happy little jitter.

So, let’s jet off into the juicy, jargon-filled universe of Science Words That Start With J – because learning should always be a jamboree!

Science Words That Starts With j

Science Words That Start With J

Science Words That Start With J (4th Grade):

WordMeaning
JellyfishA marine animal with tentacles
JupiterThe largest planet in our solar system
JetHigh-speed aircraft propulsion
JouleUnit of energy measurement
JackalA wild dog species
Jigsaw puzzlePuzzle with interlocking pieces
Jet streamFast, flowing air in the atmosphere
JawPart of the skull for chewing
JointConnection between bones
JavelinThrowing spear used in sports
JournalPeriodical for recording events
JoltSudden, strong shock or jerk
JumperClothing item for jumping
Jet enginePropulsion device for aircraft
JaguarLarge feline mammal
JigsawPuzzle with irregular pieces
JockeyHorse racing rider
JuvenileYoung or immature
JamThick fruit spread
JumbleMix or disorder

Science Words That Start With J (5th Grade):

WordMeaning
JupiterThe largest planet in our solar system
Jet propulsionMovement by jet or rocket thrust
Joule’s lawEnergy conversion law
Joule heatingHeating effect due to electric current
Jet lagFatigue from time zone changes
Jurassic periodGeological time period
Jovian planetsGas giant planets like Jupiter
Jet streamFast, flowing air in the atmosphere
Jigsaw puzzlePuzzle with interlocking pieces
Javelin throwAthletic event involving javelin
Journal articlePublished scientific article
JuxtapositionPlacing things close together for contrast
Jellyfish stingPainful reaction from jellyfish
JawboneBone in the jaw structure
Joule-Thomson effectChange in temperature during gas expansion
JatrophaPlant used for biofuel
Jacuzzi effectMixing of fluids in a jacuzzi
JounceSudden jolt or bounce
Joint inflammationSwelling and pain in joints
Jumbo jetLarge commercial aircraft

Science Words That Start With J (6th Grade):

WordMeaning
Jupiter’s moonNatural satellite of the planet Jupiter
Joule-Thomson coefficientRatio describing gas behavior during expansion
Joule’s experimentExperiment related to energy and work
Jet engine designPlanning and creation of jet propulsion systems
Jovian atmosphereAtmosphere of gas giant planets like Jupiter
Junctional complexCellular structure in cell biology
Juxtaposed genesGenes located close to each other on a chromosome
Joint range of motionExtent of movement in a joint
Joule per moleEnergy per amount of substance
Jute fiberNatural plant fiber used for textiles
Jovian magnetosphereMagnetic field around gas giant planets
J-shaped growth curveGrowth pattern resembling the letter J
Jet fuelFuel used for jet engines
Joule expansionIncrease in volume due to energy input
JurisdictionLegal authority or power
Jumping geneGene capable of changing position within a genome
Jacobian matrixMatrix of partial derivatives in mathematics
Jurassic fossilFossil from the Jurassic period
Joule heating effectGeneration of heat due to electric current
Juvenile hormoneHormone controlling insect development

Science Words That Start With J (7th Grade):

WordMeaning
Jumping spiderSpider known for its jumping ability
Joule-Thomson inversionPhenomenon in thermodynamics
Joule-Kelvin effectCooling effect in gas expansion
Juxtacrine signalingCell communication via direct contact
Jurkat cellsImmortalized human T lymphocyte cell line
Jet stream patternsAtmospheric wind patterns at high altitudes
Juxtaglomerular apparatusPart of the kidney involved in blood pressure regulation
Jacobian determinantMathematical concept in vector calculus
Joint disorderCondition affecting joints
Juxtapositional gene regulationRegulation of genes close to each other
Jensen’s inequalityMathematical inequality in probability theory
Joubert syndromeGenetic disorder affecting the brain
Junction potentialElectrical potential at a cell junction
Jitter analysisExamination of irregularities in signal timing
Jet velocitySpeed of a jet or fluid
Java ProgrammingComputer programming language
Joint momentForce that causes rotation at a joint
Juxtamedullary nephronType of nephron in the kidney
JackfruitTropical fruit with large, spiky exterior
Job’s methodTechnique in crystallography

Science Words That Start With J (8th Grade):

WordMeaning
Joule-Thomson coolingCooling effect in gas expansion
Jovian moonMoon orbiting a gas giant planet like Jupiter
Jacobian transformationMathematical transformation in vector calculus
Juxtaposition analysisExamination of juxtaposed elements
JackdawEurasian bird species
Jet lag syndromeCondition due to rapid travel across time zones
Jaccard indexStatistical measure of similarity
Jensen-Shannon divergenceMeasure of dissimilarity between probability distributions
Joint torqueRotational force at a joint
Jovian auroraAtmospheric light display on gas giant planets
Jatropha biodieselBiodiesel fuel derived from Jatropha plant
Judd-Ofelt theoryTheory describing rare-earth ions in crystals
Jet impingementCooling technique in engineering
Jacobian iterationIterative method in mathematics
Juxtaglomerular cellCell in the kidney involved in blood pressure regulation
Jamin interferometerOptical instrument for measuring refractive index
Jordan canonical formStandard form of a matrix in linear algebra
Joint angle sensorDevice measuring angles at joints
Jovian magnetodiskMagnetic structure around gas giant planets
Jet mixingProcess of mixing fluids in a jet

Physics Words That Start With J:

WordMeaning
JouleUnit of energy measurement
Joule’s lawRelationship between energy and heat
Joule-Thomson effectTemperature change during gas expansion
JounceRate of change of jerk in physics
Joule per kelvinUnit of specific heat capacity
Jacobian matrixMatrix of partial derivatives in mathematics
Jet streamHigh-altitude air current
Josephson effectQuantum phenomenon in superconductivity
Jump discontinuityDiscontinuity in the derivative of a function
J-couplingInteraction between nuclear spins in NMR
JerkRate of change of acceleration
JanskyUnit of spectral flux density
Joule heatingGeneration of heat due to electric current
Josephson junctionSuperconducting electronic device
Joule-Thomson coefficientRatio of temperature change to pressure change
JitterVariability in signal timing
Jacobi identityMathematical equation in vector calculus
Joint probabilityProbability of two events occurring together
Jovian planetsGas giant planets like Jupiter
Joule-secondUnit of action in quantum mechanics

Chemistry Words That Start With J:

WordMeaning
JammingInterference in communication systems
Jahn-Teller effectDistortion of molecular geometry in transition metals
Jacobian determinantDeterminant of the Jacobian matrix in mathematics
JuxtapositionPlacement of elements close together for contrast
J-aggregateMolecular aggregation in chemistry
Jominy end-quench testTest for evaluating hardenability of steels
Jump diffusionRandom motion with occasional jumps
Joule-Thomson inversion curveCurve describing temperature changes during gas expansion
Juxtaposition polymerizationPolymerization reaction with close proximity of reactants
JarositeMineral containing sulfate and hydroxide ions
Jar testWater treatment process evaluation
Jordan formCanonical form of a matrix in linear algebra
Jod-Basedow phenomenonHyperthyroidism triggered by iodine intake
Josephson voltage standardVoltage standard based on quantum effects
Jatropha oilOil extracted from the Jatropha plant
Jet dyeingDyeing process for textiles using a jet
JoiningProcess of combining materials
Juice concentrateConcentrated form of fruit juice
Junction potentialElectrochemical potential at a junction
Juice extractorDevice for extracting juice from fruits

Biology Words That Start With J:

WordMeaning
JuxtacrineCell communication via direct contact
J-shaped curveGrowth or population pattern resembling the letter J
Jurkat cellsImmortalized human T lymphocyte cell line
Jugular veinVein carrying blood from the head to the heart
JuncturePoint of connection or junction
Juxtaglomerular apparatusPart of the kidney regulating blood pressure
Juxtamedullary nephronType of nephron in the kidney
JuvenileImmature or young organism
Juniper berriesSmall, berry-like cones of juniper plants
JatrophaGenus of plants used for biofuel
Jablonski diagramDiagram illustrating electronic transitions in molecules
Jod-Basedow effectHyperthyroidism triggered by iodine intake
Jacobsen syndromeGenetic disorder affecting multiple systems
JackfruitLarge tropical fruit with edible seeds
Jacobson’s organSensory organ in some reptiles and amphibians
JacalinLectin protein derived from jackfruit seeds
Jaharis reactionOrganic reaction involving rearrangement of a double bond
JackdawEurasian bird species
Jade plantSucculent plant with jade-green leaves
JambolanTropical tree producing edible fruit

Math Words That Start With J:

WordMeaning
Joint variationRelationship between multiple variables
Jordan curveContinuous curve in topology
Jacobi iterative methodIterative method in numerical analysis
Jump discontinuityDiscontinuity in the derivative of a function
Jacobian matrixMatrix of partial derivatives in mathematics
JoinOperation combining sets or data
Jordan formCanonical form of a matrix in linear algebra
Jaccard indexMeasure of similarity between sets
Joint probability distributionDistribution involving multiple variables
JuxtapositionPlacement of elements close together for contrast
Jump functionFunction with sudden changes in value
Jordan’s lemmaMathematical lemma in complex analysis
JustificationReasoning or evidence supporting a claim
Jump processStochastic process with abrupt changes
JitterVariability in signal timing
Janko groupFinite group in mathematical group theory
Jacobian determinantDeterminant of the Jacobian matrix
Jensen’s inequalityInequality in probability theory
Joint distribution functionProbability distribution for multiple variables
Julian yearUnit of time in astronomy

Physical Science Words That Start With J:

WordMeaning
JouleUnit of energy measurement
Joule’s lawRelationship between energy and heat
Jet streamHigh-altitude air current
Joule-Thomson effectTemperature change during gas expansion
Scientific Words With J:
JuxtapositionPlacing things close together for contrast
JovianRelating to gas giant planets like Jupiter
JettisonDiscarding or ejecting something, often in space exploration
JouleUnit of energy measurement
Juvenile PhaseEarly stage of development
Jost’s LawLaw describing electrical conduction in solids
Jet PropulsionPropelling objects using jet engines
JurassicGeological period characterized by dinosaurs
JejunumPart of the small intestine
JunctionConnection or joining point
J-curveCurve showing exponential growth
JanskyUnit of spectral flux density
Jacobsen SyndromeGenetic disorder affecting multiple systems
Jahn-Teller EffectDistortion of molecular geometry in transition metals
Japanese BeetleInvasive species of beetle
Jacobson’s OrganSensory organ in some reptiles and amphibians
Jambalaya MutationGenetic mutation in fruit flies
Jumper (in electronics and physics)Electrical component connecting two points
Jugular VeinVein carrying blood from the head to the heart

Here are 10 quizzes based on the words in the article:

Quiz 1: 4th Grade Science Words That Start With J

  1. What is the largest planet in our solar system?
    • A) Jellyfish
    • B) Jupiter
    • C) Jet
  2. What is a fast, flowing air current in the atmosphere?
    • A) Joint
    • B) Jolt
    • C) Jet stream
  3. Which animal is known for its tentacles?
    • A) Jaguar
    • B) Javelin
    • C) Jellyfish

Quiz 2: 5th Grade Science Words That Start With J

  1. What law describes the conversion of energy?
    • A) Joule’s law
    • B) Jet propulsion
    • C) Juxtaposition
  2. In which geological period did dinosaurs exist?
    • A) Juxtaposition
    • B) Jurassic period
    • C) Jockey
  3. What is a measure of dissimilarity between probability distributions?
    • A) Jolt
    • B) Jensen-Shannon divergence
    • C) Jigsaw puzzle

Quiz 3: 6th Grade Science Words That Start With J

  1. Which moon orbits the planet Jupiter?
    • A) Jet engine design
    • B) Jupiter’s moon
    • C) Junctional complex
  2. What is the energy unit per mole?
    • A) Juxtaposed genes
    • B) Joule per mole
    • C) Jet fuel
  3. In which atmospheric layer do Jovian atmospheres exist?
    • A) Jute fiber
    • B) Jovian atmosphere
    • C) J-shaped growth curve

Quiz 4: 7th Grade Science Words That Start With J

  1. What is the name of the phenomenon in thermodynamics related to gas expansion?
    • A) Jumping spider
    • B) Joule-Thomson inversion
    • C) Java Programming
  2. Which bird species is mentioned in the context of 7th-grade science words?
    • A) Jounce
    • B) Jackdaw
    • C) Juvenile hormone
  3. What is the unit of spectral flux density?
    • A) Juvenile
    • B) Jitter
    • C) Jansky

Quiz 5: 8th Grade Science Words That Start With J

  1. What cooling effect is associated with gas expansion?
    • A) Joule expansion
    • B) Joule-Thomson cooling
    • C) Jump discontinuity
  2. What is the measure of dissimilarity between probability distributions?
    • A) Jaccard index
    • B) Joint torque
    • C) Jacobi identity
  3. What is the term for the canonical form of a matrix in linear algebra?
    • A) Jaccard index
    • B) Jordan canonical form
    • C) Joint distribution function

Quiz 6: Physics Words That Start With J

  1. What is the unit of energy measurement?
    • A) Jansky
    • B) Joule
    • C) Jitter
  2. Which effect describes the change in temperature during gas expansion?
    • A) Jump discontinuity
    • B) Joule’s law
    • C) Joule-Thomson effect
  3. What is the rate of change of jerk in physics called?
    • A) Jump function
    • B) Jounce
    • C) Jerk

Quiz 7: Chemistry Words That Start With J

  1. What is the distortion of molecular geometry in transition metals called?
    • A) Juxtaposition
    • B) Jod-Basedow effect
    • C) Jahn-Teller effect
  2. Which test evaluates the hardenability of steels?
    • A) Juxtaposition polymerization
    • B) Jominy end-quench test
    • C) Jump diffusion

Quiz 8: Biology Words That Start With J

  1. What cell communication involves direct contact?
    • A) Juncture
    • B) Juxtacrine
    • C) Juxtapositional gene regulation
  2. Which type of vein carries blood from the head to the heart?
    • A) Jugular vein
    • B) Jurkat cells
    • C) Jumped Bail

Quiz 9: Math Words That Start With J

  1. What is the term for a mathematical transformation in vector calculus?
    • A) Joint probability
    • B) Jacobian transformation
    • C) Jordan curve
  2. What mathematical lemma is associated with complex analysis?
    • A) Jitter
    • B) Jordan’s lemma
    • C) Joint distribution function

Quiz 10: Forensic Words with J

  1. What is the tool mentioned in forensic analysis that may be used in crimes?
    • A) Judicial Evidence
    • B) Jagged Wound
    • C) Jackknife
  2. What does “Juvenile Prints” refer to in forensic terms?
    • A) Prints left by young individuals
    • B) Prints found in juvenile courts
    • C) Prints related to criminal juveniles

Feel free to mix and match these questions for various levels of difficulty and focus!


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Created by Dr. Julia Rossi

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1 / 20

What is a simile?

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Identify the simile in the following sentence: “She swims like a fish.”

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Which of the following is a metaphor?

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What is an idiom?

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What does the idiom “break the ice” mean?

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Choose the adjective in the following sentence: “The quick brown fox jumps over the lazy dog.”

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What does the abbreviation “e.g.” stand for?

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12 / 20

Identify the verb in the following sentence: “The cat sleeps on the sofa.”

13 / 20

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

14 / 20

Which of the following is an adjective?

15 / 20

The abbreviation “NASA” stands for:

16 / 20

Choose the metaphor in the following sentence: “Time is a thief.”

17 / 20

What does the idiom “hit the books” mean?

18 / 20

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19 / 20

“LOL” is an abbreviation for:

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Identify the verb in this sentence: “They whispered secrets into the night.”

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Conclusion

And there you have it, fellow explorers of the scientific lexicon! We’ve surfed through the Jet streams of physics, marveled at the Jovian mysteries in space, and even unraveled the intricate Jigsaw of biological wonders.

From the juvenile beginnings of learning to the advanced realms of Jovian magnetospheres, this journey through Science Words That Start With J has been nothing short of a jazzy adventure.

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