100 Science Words that Start With K

Explore science words that start with k.

100 Science Words that Start With K

Here are 100 science words that start with “K”:

  • Kinetics
  • Kinetic energy
  • Kepler’s laws
  • Karyotype
  • Krebs cycle
  • Kilogram
  • Kelvin
  • Kinase
  • Kingdom
  • Kinesiology
  • Kinase cascade
  • Karyotyping
  • Karyokinesis
  • Kinesin
  • Kinematic
  • Keratin
  • Kaon
  • Kelp
  • Key enzyme
  • Kernel
  • Keeling curve
  • Knockout
  • Kinome
  • Karyogamy
  • Kymograph
  • Ketone
  • Kinase inhibitor
  • Knockdown
  • Kinesin motor protein
  • Kinesthetic
  • Krypton
  • Ketosis
  • K-mer
  • Key player
  • Knowledge
  • Kainate receptor
  • Kymography
  • Karyoplasm
  • Krebs’ citric acid cycle
  • Kinesiology tape
  • Ketoacidosis
  • Kilovolt
  • Kupffer cell
  • Kinetochore
  • Kibble balance
  • Kappa particle
  • Kinetic friction
  • Kelvin-Helmholtz mechanism
  • Kilojoule
  • Karyon
  • Kinetic theory
  • Kingdom Animalia
  • Kolmogorov complexity
  • Kinetoplast
  • Kipp’s apparatus
  • Katakana
  • Kinematic equation
  • Krebs’ cycle intermediates
  • Keratinocyte
  • Key factor
  • Kinetic molecular theory
  • Kinesthetic sense
  • Kuiper belt
  • Karyopherin
  • Ketogenic diet
  • Klinotaxis
  • Kinetic isotope effect
  • Kohonen network
  • Kallikrein
  • Kinesis
  • Kinetic art
  • Karyolymph
  • Karyosome
  • Kupffer cells
  • Krebs’ cycle enzymes
  • Keratosis
  • Key role
  • Knockout mouse
  • Kinetochore microtubules
  • Kinetoscope
  • Ketogenic amino acid
  • Kinetic stability
  • Kinesin-related proteins
  • Kissing complex
  • Karyoskeleton
  • Kinetic model
  • Ketoconazole
  • Karyomorphism
  • Kettle hole
  • Kranz anatomy
  • Kasha’s rule
  • Knockout gene
  • Kieselguhr
  • Kauri tree
  • Karyoplasmic ratio
  • Kinesin motor domain

Related: Science Words A to Z

science words that start with k

Science Words That Start With K (By Grade)

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

  • Kinetic
  • Kingdom
  • Kilogram
  • Kidney
  • Keystone
  • Knot
  • Kernel
  • Kaleidoscope
  • Kelp
  • Kite
  • Knob
  • Kettle
  • Keratin
  • Kin
  • Krypton
  • Kneecap
  • Kilometer
  • Kilowatt
  • Kayak
  • Kinship

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

  • Kinetic energy
  • Kingdom classification
  • Kilogram
  • Keystone species
  • Kinematics
  • Kinase
  • Keratinocytes
  • Krebs cycle
  • Kelvin
  • Kilovolt
  • Karyotype
  • Kepler’s laws
  • Kinesis
  • Krypton-85
  • Karst landscape
  • Kilocalorie
  • Keel bone
  • Kinetic theory
  • Kinome
  • Kymograph

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

  • Kinetic theory of gases
  • Kingdom Animalia
  • Krebs cycle
  • Keystone predator
  • Kinematic equation
  • Keratin protein
  • Karyotyping
  • Kelvin scale
  • Kilowatt-hour
  • Kinesiology
  • Karyokinesis
  • Karyogamy
  • Kinase activity
  • Krypton-86
  • Keeling curve
  • Kolmogorov complexity
  • Kelp forest
  • Karst topography
  • Kinematic viscosity
  • Kiloparsec

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

  • Kinase inhibitor
  • Kinesin motor protein
  • Karyoplasmic ratio
  • Kinetic friction
  • Krebs cycle intermediates
  • Knockout mouse
  • Karyopherin
  • Kilovolt-ampere
  • Keratinization
  • Kupffer cells
  • Kinesiology tape
  • Kozai mechanism
  • Kepler’s third law
  • Karyopherin alpha
  • Kinetic selectivity
  • Knudson hypothesis
  • Kozai-Lidov mechanism
  • Karp-Rabin algorithm
  • Kras oncogene
  • Knockdown experiment

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

  • Kinetic isotope effect
  • Kondo effect
  • Kinesin walking
  • Karyotyping analysis
  • Kriging interpolation
  • Keap1-Nrf2 pathway
  • Karyopharmaceuticals
  • Knudsen diffusion
  • Kinetic resolution
  • Kriging model
  • Karplus equation
  • Kissing complex
  • Kinesin-5 motor protein
  • Kinetic Monte Carlo
  • Karyotype abnormality
  • Kuiper belt object
  • Kinetic isotope fractionation
  • Kramers-Kronig relation
  • Kelvin-Helmholtz instability
  • Karyopherin beta

Science Words Starting With K (By Subject)

Physics Words That Start With K:

  • Kinematics
  • Kepler’s laws
  • Kelvin
  • Kinetic energy
  • Kirchhoff’s laws
  • Kiloton
  • Kelvin-Helmholtz instability
  • Kinetic friction
  • K-shell
  • Kerning
  • K vector
  • Klein-Gordon equation
  • Kerr effect
  • K-band
  • Kiloparsec
  • Klystron
  • Kinematic viscosity
  • Kernmantle
  • Kibble mechanism
  • Krebs cycle

Chemistry Words That Start With K:

  • Kinetics
  • Ketone
  • Kinetic theory
  • Krypton
  • Ketose
  • Kilogram
  • Koopmans’ theorem
  • Keggin structure
  • Ketogenesis
  • Kjeldahl method
  • Ketosis
  • Kinetic control
  • Knorr pyrazole synthesis
  • Kolbe-Schmitt reaction
  • Kolbe electrolysis
  • Ketenimine
  • Klystron
  • Kratky-Porod model
  • Kleptoplasty
  • Ketal

Biology Words That Start With K:

  • Kingdom
  • Krebs cycle
  • Karyotype
  • Kinesin
  • Kelp
  • Keratin
  • Keratocytes
  • Kupffer cells
  • Knockout
  • Keratinocyte
  • Kidney
  • Kranz anatomy
  • Kleptoparasitism
  • K-selection
  • Kallikrein
  • Karyokinesis
  • Kinesis
  • Knemidocoptes
  • Kiwifruit
  • Kwashiorkor

Math Words That Start With K:

  • Kite
  • Kinematic equations
  • Kernel
  • Kinematics
  • Kruskal’s algorithm
  • Klein bottle
  • Key
  • Kernel function
  • Knot theory
  • Koch curve
  • Kuratowski closure-complement theorem
  • Kronecker delta
  • Key value
  • Kolmogorov complexity
  • Keypoint
  • Koopman operator
  • Kullback-Leibler divergence
  • K-factor
  • Krein space
  • Key schedule

Physical Science Words That Start With K:

  • Kinetic energy
  • Kepler’s laws
  • Kelvin
  • Kilogram
  • Kinematics
  • Kinetic theory

Science Words Beginning with K with Meaning:

  • Kinetic: Relating to motion or energy of moving objects.
  • Kelvin: SI unit of temperature measurement.
  • Kingdom: Highest taxonomic rank in the classification of organisms.
  • Kepler: German astronomer known for his laws of planetary motion.
  • Kilogram: Unit of mass in the International System of Units (SI).
  • Kelp: Large brown seaweed found in underwater forests.
  • Karst: Landscape formed from the dissolution of soluble rocks like limestone.
  • Keratin: Protein component of hair, nails, and outer skin layer.
  • Karyotype: Visualization of an organism’s chromosomes.
  • Komodo dragon: Largest living lizard native to Indonesia.
  • Kinesthesia: Sense of body movement and position.
  • Keel: Longitudinal structure along the bottom of a ship’s hull.
  • Kidney: Organ responsible for filtering blood and producing urine.
  • Kilobyte: Unit of digital information equal to 1,024 bytes.
  • Katabatic wind: Strong downslope wind caused by cooling air.
  • Kettle: Large, deep, and typically circular hole formed by glacial action.
  • Krypton: Chemical element with the symbol Kr and atomic number 36.
  • Kerfuffle: Commotion, fuss, or disturbance.
  • Kinesiology: Study of human movement and mechanics.
  • Kingdom: Highest taxonomic rank in the classification of organisms.

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