100+ Science Words that Start With E

Explore 100+ captivating science words starting with ‘E,’ from electromagnetism to ecosystems, and embrace the wonders of the natural world.

Science Words that Start With E

  • Electron
  • Evolution
  • Energy
  • Ecosystem
  • Enzyme
  • Equilibrium
  • Ecology
  • Earthquake
  • Experiment
  • Electrolysis
  • Entropy
  • Element
  • Emission
  • Electromagnetism
  • Evolutionary biology
  • Epidemic
  • Embryo
  • Excretion
  • Exoplanet
  • Electrostatics
  • Ethanol
  • Equator
  • Elasticity
  • Endoskeleton
  • Extinction
  • Exponential
  • Erosion
  • Endothermic
  • Excitation
  • Epigenetics
  • Ecological footprint
  • Electronegativity
  • Electrochemical
  • Eukaryote
  • Electron microscope
  • Evaporation
  • Ergonomics
  • Enthalpy
  • Equilibrium constant
  • Enzyme kinetics
  • Eutrophication
  • Electron transport chain
  • Equatorial
  • Exothermic reaction
  • Echolocation
  • Evolutionary psychology
  • Emission spectrum
  • Extrapolation
  • Epidemic outbreak
  • Ecosystem services
  • Elemental analysis
  • Electrophoresis
  • Entomology
  • Exponential growth
  • Earth’s magnetic field
  • Excretion system
  • Ecological succession
  • Electron configuration
  • Evolutionary adaptation
  • Eukaryotic cell
  • Ecosystem diversity
  • Environmental impact
  • Ethical dilemma
  • Entropy change
  • Erosional landforms
  • Electrochemical cell
  • Endocrine system
  • Exoplanetary system
  • Ecological niche
  • Electromagnetic radiation
  • Endangered species
  • Extremophile
  • Ectotherm
  • Episodic memory
  • Ecological modeling
  • Evolutionary genetics
  • Emission control
  • Enzyme inhibition
  • Environmental pollution
  • Equilibrium reaction
  • Electric field
  • Earthquake epicenter
  • Exponential decay
  • Evolutionary tree
  • Excretory system
  • Electric circuit
  • Ecosystem conservation
  • Ecological balance
  • Enzymatic activity
  • Entomological research
  • Emission reduction
  • Evolutionary algorithm
  • Exoskeleton
  • Ecotoxicology
  • Environmental ethics
  • Entropy production
  • Evolutionary fitness
  • Erosional processes
  • Environmental sustainability

Related: Science Words A to Z

science words that start with e

Science Words That Start With E (By Grade)

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

  • Earth
  • Energy
  • Ecosystem
  • Evaporation
  • Electron
  • Egg
  • Equator
  • Experiment
  • Evolve
  • Exoskeleton
  • Extinct
  • Expansion
  • Eclipse
  • Erosion
  • Echo
  • Equilibrium
  • Enzyme
  • Equinox
  • Eardrum
  • Ember

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

  • Electricity
  • Ecosystem
  • Evaporation
  • Equilibrium
  • Experiment
  • Electromagnet
  • Element
  • Evolution
  • Expansion
  • Extinction
  • Excretion
  • Eclipse
  • Erosion
  • Elasticity
  • Equator
  • Eukaryote
  • Excitation
  • Ergonomics
  • Ecological niche
  • Endangered

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

  • Electromagnetic spectrum
  • Ecosystem services
  • Embryology
  • Energy conversion
  • Equilibrium constant
  • Electron configuration
  • Exothermic reaction
  • Evolutionary biology
  • Eutrophication
  • Ecological succession
  • Endocrine system
  • Enzyme kinetics
  • Equatorial mount
  • Ethanol fermentation
  • Exoplanet
  • Exponential growth
  • Extremophile
  • Elastic collision
  • Electrochemical cell
  • Exergonic reaction

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

  • Entropy
  • Electrophoresis
  • Enzyme inhibition
  • Emission spectrum
  • Epigenetics
  • Eukaryotic cell
  • Endosymbiotic theory
  • Excitatory neurotransmitter
  • Extrapolation
  • Electrolysis
  • Ecosystem dynamics
  • Exoplanetary system
  • Enthalpy
  • Ethology
  • Emission nebula
  • Elastic potential energy
  • Endothermic reaction
  • Entomology
  • Equilibrium constant expression
  • Exonucleases

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

  • Electroencephalography
  • Electrochemical gradient
  • Exothermic process
  • Electron transport chain
  • Emission line
  • Epidemiology
  • Epigenetic modification
  • Endoplasmic reticulum
  • Exponential decay
  • Exoplanetary atmosphere
  • Endomembrane system
  • Enzyme kinetics
  • Erythropoiesis
  • Electromagnetic induction
  • Evolutionary psychology
  • Excitotoxicity
  • Electron spin resonance
  • Evolutionary tree
  • Exoplanetology
  • Epithelial-mesenchymal transition

Science Words Starting With E (By Subject)

Physics Words That Start With E:

  • Electricity
  • Electromagnetism
  • Energy
  • Entropy
  • Electron
  • Electric field
  • Elasticity
  • Emission
  • Equilibrium
  • Escape velocity
  • Exoplanet
  • Expansion
  • Elastic collision
  • Excitation
  • Evaporation
  • Electromotive force
  • Euler’s equations
  • Event horizon
  • Electric potential
  • Electroweak force

Chemistry Words That Start With E:

  • Element
  • Electron configuration
  • Equilibrium constant
  • Enzyme
  • Esterification
  • Electrolysis
  • Eutrophication
  • Emission spectrum
  • Empirical formula
  • Electrophile
  • Equivalence point
  • Electronegativity
  • Effusion
  • Electrophoresis
  • Ester
  • Enantiomer
  • Exothermic
  • Excited state
  • Emulsification
  • Extraction

Biology Words That Start With E:

  • Evolution
  • Ecosystem
  • Endoplasmic reticulum
  • Enzyme
  • Embryo
  • Ecology
  • Eukaryote
  • Erythrocyte
  • Excretion
  • Endoskeleton
  • Ectotherm
  • Epidermis
  • Estrogen
  • Evolutionary adaptation
  • Ectoderm
  • Entomology
  • Endocytosis
  • Exon
  • Endocrine system
  • Extinction

Math Words That Start With E:

  • Equation
  • Exponent
  • Exponential
  • Equal
  • Expression
  • Exponentiation
  • Ellipse
  • Eigenvalue
  • Equivalent fractions
  • Equilateral triangle
  • Extrapolation
  • Euclidean geometry
  • Exponential function
  • Echelon form
  • Event
  • Exclusion principle
  • Ellipsoid
  • Elementary matrix
  • Excircle
  • Expected value

Physical Science Words That Start With E:

  • Energy
  • Entropy
  • Electromagnetism
  • Electronegativity
  • Evaporation
  • Elasticity
  • Electron
  • Echo
  • Exosphere
  • Equilibrium

Science Words Beginning with E with Meaning:

  • Ecosystem: Community of living organisms and their environment.
  • Evolution: Process of gradual change in species over time.
  • Electron: Subatomic particle with a negative charge.
  • Ecology: Study of interactions between organisms and their environment.
  • Epidemic: Widespread outbreak of a disease in a specific area.
  • Enzyme: Protein that catalyzes biochemical reactions.
  • Energy: Capacity to do work or cause change.
  • Equilibrium: State of balance and stability in a system.
  • Erosion: Gradual wearing away of Earth’s surface by natural forces.
  • Extinction: Disappearance of a species from the planet.
  • Equator: Imaginary line dividing the Earth into northern and southern hemispheres.
  • Excretion: Process of waste elimination from the body.
  • Eclipse: Celestial event where one object obscures another.
  • Entropy: Measure of disorder or randomness in a system.
  • Electromagnetism: Interaction of electricity and magnetism.
  • Endangered: Species at risk of extinction.
  • Exoplanet: Planet outside our solar system.
  • Embryo: Early stage of development in a multicellular organism.
  • El Nino: Climate phenomenon causing warm ocean currents.
  • Eukaryote: Organism with cells containing a nucleus and organelles.

Explore Other Science Words:

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